default.conf

server {
    listen       80;
    server_name  localhost;
    client_body_buffer_size 100M;
    client_max_body_size 0;

    #charset koi8-r;
    #access_log  /var/log/nginx/host.access.log  main;

    # Taken from https://enable-cors.org/server_nginx.html

    location / {

        if ($request_method = 'OPTIONS') {
            add_header 'Access-Control-Max-Age' 1728000;
            add_header 'Content-Type' 'text/plain; charset=utf-8';
            add_header 'Content-Length' 0;
            return 204;
        }
        add_header 'Access-Control-Allow-Origin' '*' always;
        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS' always;
        add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range' always;
        add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range' always;
        root   /usr/share/nginx/html;
        index  index.html index.htm;
    }

    #error_page  404              /404.html;

    # redirect server error pages to the static page /50x.html
    #
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }

    # proxy the PHP scripts to Apache listening on 127.0.0.1:80
    #
    #location ~ \.php$ {
    #    proxy_pass   http://127.0.0.1;
    #}

    # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
    #
    #location ~ \.php$ {
    #    root           html;
    #    fastcgi_pass   127.0.0.1:9000;
    #    fastcgi_index  index.php;
    #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;
    #    include        fastcgi_params;
    #}

    # deny access to .htaccess files, if Apache's document root
    # concurs with nginx's one
    #
    #location ~ /\.ht {
    #    deny  all;
    #}
    
    location /service/synthea/ {
    
        # from http://oskarhane.com/avoid-cors-with-nginx-proxy_pass/
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-NginX-Proxy true;
        proxy_pass http://synservice:8021/synthea/;
        proxy_ssl_session_reuse off;
        proxy_set_header Host $http_host;
        proxy_redirect off;

    }
    location /visual/ {

        # from http://oskarhane.com/avoid-cors-with-nginx-proxy_pass/
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-NginX-Proxy true;
        proxy_pass http://visual:80/;
        proxy_ssl_session_reuse off;
        proxy_set_header Host $http_host;
        proxy_http_version 1.1;                                                                                                               
        proxy_set_header Connection "";                                                  
        proxy_read_timeout 100;                                      
        proxy_max_temp_file_size 0;                                  
    }
    location /vista/ {

        # from http://oskarhane.com/avoid-cors-with-nginx-proxy_pass/
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-NginX-Proxy true;
        proxy_pass http://vista:9080/;
        proxy_ssl_session_reuse off;
        proxy_set_header Host $http_host;

    }
}