Dockerized nginx's proxy config example using variables for proxy_pass

default.conf

server {
    listen 80 default_server;
    # real_ip_header X-Forwarded-For

    # server_name localhost;

    location ~ ^/graphql(.*) {
        # see https://stackoverflow.com/questions/35744650/docker-network-nginx-resolver
        resolver 127.0.0.11 ipv6=off;
        set $target http://${SOME_HOST}:${SOME_PORT}/graphql;
        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_pass $target$1$is_args$args;
    }
}

Prerequisites

• Using envsubst for replacement environment variables when running docker container.