HospitalRun Server - DigitalOcean - Docker - Nginx

nginx-502error.conf

worker_processes 1;

events { worker_connections 1024; }

http {
    upstream website {
        server 172.18.0.6:8055;
    }

    server {
        listen 80 default_server;
        listen [::]:80 default_server ipv6only=on;
        #server_name 185.14.187.134 app.bulut.dental;
        server_name app.bulut.dental;

        gzip_types text/plain text/css application/json application/x-javascript
                   text/xml application/xml application/xml+rss text/javascript;

        location / {
            proxy_pass http://website;
            #include /etc/nginx/proxy_params;
            #include /etc/nginx/mime.types;
        }
    }
}

nginx-wrong.conf

# Guide: https://www.digitalocean.com/community/tutorials/docker-explained-how-to-containerize-and-use-nginx-as-a-proxy
worker_processes 1;

events { worker_connections 1024; }

http {

    sendfile on;

    gzip              on;
    gzip_http_version 1.0;
    gzip_proxied      any;
    gzip_min_length   500;
    gzip_disable      "MSIE [1-6]\.";
    gzip_types        text/plain text/xml text/css
                      text/comma-separated-values
                      text/javascript
                      application/x-javascript
                      application/atom+xml;

    # List of application servers
    upstream app_servers {

        server 127.0.0.1:8080;

    }

    # Configuration for the server
    server {

        # Running port
        listen 80;

        # Proxying the connections connections
        location / {

            proxy_pass         http://app_servers;
            proxy_redirect     off;
            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-Host $server_name;

        }
    }
}