nginx.conf

server {
    listen 80; #ipv4
    #listen [::]:80; #ipv6
    server_name ${HOST};
    
    # rewrite url if it doesent access via the actual domain name
    #if ($http_host !~ "^${HOST}") {
    #    rewrite ^(.*)$ $scheme://${HOST}/$1 redirect;
    #}

    # size limits
    client_max_body_size 1000M;
    proxy_buffer_size 1024k;
    proxy_buffers 4 1024k;
    proxy_busy_buffers_size 1024k;

    # compression
    gzip on;
    gzip_types
    text/plain
    text/css
    text/js
    text/xml
    text/javascript
    application/javascript
    application/json
    application/xml
    application/rss+xml
    image/svg+xml;

    # locations
    location /api {
        proxy_pass http://backend:8080/; # backend kommt von namen des docker-compose-services
    }

    location / {
        root /usr/share/nginx/html;
	    index index.html index.htm;
        try_files $uri $uri/ /index.html?$args;
    }
}