oneuptime/Nginx/default.conf.template

upstream accounts {
    server ${SERVER_ACCOUNTS_HOSTNAME}:${ACCOUNTS_PORT} weight=10 max_fails=3 fail_timeout=30s;
}

upstream app {
    server ${SERVER_APP_HOSTNAME}:${APP_PORT} weight=10 max_fails=3 fail_timeout=30s; 
}

upstream ingestor {
    server ${SERVER_INGESTOR_HOSTNAME}:${INGESTOR_PORT} weight=10 max_fails=3 fail_timeout=30s; 
}

upstream dashboard {
    server ${SERVER_DASHBOARD_HOSTNAME}:${DASHBOARD_PORT} weight=10 max_fails=3 fail_timeout=30s;
}

upstream admin-dashboard {
    server ${SERVER_ADMIN_DASHBOARD_HOSTNAME}:${ADMIN_DASHBOARD_PORT} weight=10 max_fails=3 fail_timeout=30s;
}

upstream isolated-vm {
    server ${SERVER_ISOLATED_VM_HOSTNAME}:${ISOLATED_VM_PORT} weight=10 max_fails=3 fail_timeout=30s;
}

upstream status-page {
    server ${SERVER_STATUS_PAGE_HOSTNAME}:${STATUS_PAGE_PORT} weight=10 max_fails=3 fail_timeout=30s;
}

upstream opentelemetry-collector-http {
    server ${SERVER_OTEL_COLLECTOR_HOSTNAME}:4318;
}

upstream opentelemetry-collector-grpc {
    server ${SERVER_OTEL_COLLECTOR_HOSTNAME}:4317;
}

# Otel Collector

server {

    gzip on;
    gzip_types      text/plain application/xml application/javascript text/javascript text/css application/json;
    gzip_proxied    no-cache no-store private expired auth;
    gzip_min_length 1000;
   
    listen 7849 http2;

    server_name oneuptime-opentelemetry-collector ${OTEL_COLLECTOR_HOST};

    proxy_busy_buffers_size   512k;
    proxy_buffers   4 512k;
    proxy_buffer_size   256k;

    fastcgi_buffers  16 16k;
    fastcgi_buffer_size  32k;

    location / {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        proxy_pass  http://opentelemetry-collector-http;
    }

    location ~ /opentelemetry.proto.collector* {
        grpc_pass grpc://opentelemetry-collector-grpc;
    }

}

# Fluentd Collector

server {

    gzip on;
    gzip_types      text/plain application/xml application/javascript text/javascript text/css application/json;
    gzip_proxied    no-cache no-store private expired auth;
    gzip_min_length 1000;
   
    listen 7849 http2;

    server_name oneuptime-fluentd-collector ${FLUENTD_HOST};

    proxy_busy_buffers_size   512k;
    proxy_buffers   4 512k;
    proxy_buffer_size   256k;

    fastcgi_buffers  16 16k;
    fastcgi_buffer_size  32k;

    location /logs {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        proxy_pass  http://ingestor/fluentd/v1/logs;
    }
}

# Status Pages

server {

    gzip on;
    gzip_types      text/plain application/xml application/javascript text/javascript text/css application/json;
    gzip_proxied    no-cache no-store private expired auth;
    gzip_min_length 1000;
   
    listen 7849 default_server;

    server_name  _; # All domains. 

    proxy_busy_buffers_size   512k;
    proxy_buffers   4 512k;
    proxy_buffer_size   256k;

    fastcgi_buffers  16 16k;
    fastcgi_buffer_size  32k;


    location / {

        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;

        if ($billing_enabled = true) {
            return 301 https://$host$request_uri;
        }

        if ($billing_enabled != true) {
            proxy_pass http://status-page;
        }
        
    }

    location /status-page {

        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;

        if ($billing_enabled = true) {
            return 301 https://$host$request_uri;
        }

        if ($billing_enabled != true) {
            proxy_pass http://status-page;
        }
    }

    location /status-page-api/ {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        proxy_pass http://app/api/status-page/;
    }

    location /status-page-sso-api/ {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        proxy_pass http://app/api/identity/status-page-sso/;
    }

    location /status-page-identity-api/ {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        proxy_pass http://app/api/identity/status-page/;
    }

    # Acme Verification.
    location /.well-known {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        proxy_pass  http://app/api/status-page/.well-known;
    }

}

# 

server {

    gzip on;
    gzip_types      text/plain application/xml application/javascript text/javascript text/css application/json;
    gzip_proxied    no-cache no-store private expired auth;
    gzip_min_length 1000;

    listen 7850 ssl default_server; # Port HTTPS


    ssl_certificate /etc/nginx/certs/StatusPageCerts/$ssl_server_name.crt; 
    ssl_certificate_key /etc/nginx/certs/StatusPageCerts/$ssl_server_name.key;

    server_name  _; # All domains. 

    proxy_busy_buffers_size   512k;
    proxy_buffers   4 512k;
    proxy_buffer_size   256k;

    fastcgi_buffers  16 16k;
    fastcgi_buffer_size  32k;

    location / {

        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        proxy_pass http://status-page;

        
    }

    location /status-page-api/ {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        proxy_pass http://app/api/status-page/;
    }

    location /status-page-sso-api/ {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        proxy_pass http://app/api/identity/status-page-sso/;
    }

    location /status-page-identity-api/ {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        proxy_pass http://app/api/identity/status-page/;
    }

    location /status-page {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        proxy_pass http://status-page;
    }
}

server {

    gzip on;
    gzip_types      text/plain application/xml application/javascript text/javascript text/css application/json;
    gzip_proxied    no-cache no-store private expired auth;
    gzip_min_length 1000;
    
    listen 7849 http2;

    server_name localhost ingress ${HOST}; #All domains

    proxy_busy_buffers_size   512k;
    proxy_buffers   4 512k;
    proxy_buffer_size   256k;

    fastcgi_buffers  16 16k;
    fastcgi_buffer_size  32k;

    set $billing_enabled ${BILLING_ENABLED};

    location / {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $server_name;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        
        # If billing_enabled is true then proxy to home otherwise to dashboard because we dont need marketing paages for on-prem install.
        if ($billing_enabled = true) {
            proxy_pass http://app;
        }

        if ($billing_enabled != true) {
            proxy_pass http://dashboard;
        }
    }


    location /status-page-api/ {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        proxy_pass http://app/api/status-page/;
    }

    location /status-page-sso-api/ {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        proxy_pass http://app/api/identity/status-page-sso/;
    }

    location /status-page-identity-api/ {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        proxy_pass http://app/api/identity/status-page/;
    }
    

    location /accounts {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_pass http://accounts;
    }

    location /otlp/ {

        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";


        proxy_pass http://opentelemetry-collector-http/;
    }


    location ~ /opentelemetry.proto.collector* {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        grpc_pass grpc://opentelemetry-collector-grpc;
    }

    location /notification {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_pass http://app/api/notification;
    }

    location /fluentd/logs {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        proxy_pass  http://ingestor/ingestor/fluentd/v1/logs;
    }

    location /ingestor {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_pass http://ingestor;

        client_max_body_size 50M;
    }

    location /server-monitor {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_pass http://ingestor/server-monitor;

        client_max_body_size 50M;
    }

    location /dashboard {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_pass http://dashboard;
    }


    location /admin {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_pass http://admin-dashboard;
    }

    location /isolated-vm {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_pass http://isolated-vm;
    }

    location /status-page {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        proxy_pass http://status-page;
    }

    location /identity {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_pass http://app/api/identity;
    }

    location /reference {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_pass http://app/reference;
    }

    location /docs {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_pass http://app/docs;
    }

    location /file {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_pass http://app/api/file;

        client_max_body_size 50M;
    }

    location /api {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_pass http://app/api;

        client_max_body_size 50M;
    }

    location /realtime {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_pass http://app;

        client_max_body_size 50M;
    }

    location /analytics-api {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_pass http://app;

        client_max_body_size 50M;
    }


    location /heartbeat {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_pass http://ingestor/incoming-request;

        client_max_body_size 50M;
    }


    location /workflow {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_pass http://app/api/workflow;

        client_max_body_size 50M;
    }

    location /l/ { # Short URL for Link Shortener
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_pass http://app/api/short-link/redirect-to-shortlink/;

        client_max_body_size 50M;
    }

    location /workers {
        # This is for nginx not to crash when service is not available. 
        resolver 127.0.0.1 valid=30s;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme; 

        # enable WebSockets (for ws://sockjs not connected error in the accounts source: https://stackoverflow.com/questions/41381444/websocket-connection-failed-error-during-websocket-handshake-unexpected-respon)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_pass http://app/api/workers;
    }
}