romm/docker/nginx/templates/default.conf.template

# This template is used to generate the default.conf file for the nginx server,
# by using `envsubst` to replace the environment variables in the template with
# their actual values.

# Helper to get scheme regardless if we are behind a proxy or not
map $http_x_forwarded_proto $forwardscheme {
    default $scheme;
    https https;
}

server {
    root /var/www/html;
    listen ${ROMM_PORT};
    listen [::]:${ROMM_PORT};
    server_name localhost;

    proxy_set_header Host $http_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 $forwardscheme;


    location / {
        try_files $uri $uri/ /index.html;
        proxy_redirect off;
        add_header Access-Control-Allow-Origin *;
        add_header Access-Control-Allow-Methods *;
        add_header Access-Control-Allow-Headers *;
    }

    # Static files
    location /assets {
        try_files $uri $uri/ =404;
    }

    # OpenAPI for swagger and redoc
    location /openapi.json {
        proxy_pass http://wsgi_server;
    }

    # Backend api calls
    location /api {
        proxy_pass http://wsgi_server;
        proxy_request_buffering off;
        proxy_buffering off;
    }
    location /ws {
        proxy_pass http://wsgi_server;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }

    # Internally redirect download requests
    location /library/ {
        internal;
        alias "${ROMM_BASE_PATH}/library/";
    }

    # This location, and the related server at port 8081, are used to serve files when
    # using the `mod_zip` module. This is because the `mod_zip` module does not support
    # calculating CRC-32 values when using subrequests pointing directly to internal
    # locations that access the filesystem.
    # TODO: If that gets fixed, this workaround can be removed, and the `/library` location
    # can be used directly (also removing the server at port 8081).
    # Related issue: https://github.com/evanmiller/mod_zip/issues/90
    location /library-zip {
        internal;
        rewrite ^/library-zip/(.*)$ /library/$1 break;
        proxy_pass http://localhost:8081;
        # Proxy buffering must be disabled, for the module to correctly calculate CRC-32 values.
        proxy_buffering off;
    }

    # Internal decoding endpoint, used to decode base64 encoded data
    location /decode {
        internal;
        js_content decode.decodeBase64;
    }
}

server {
    listen 8081;
    listen [::]:8081;
    server_name localhost;

    location /library/ {
        alias "${ROMM_BASE_PATH}/library/";
    }
}