entrypoint.sh

#! /usr/bin/env bash
set -e
# Get the maximum upload file size for Nginx, default to 0: unlimited
USE_NGINX_MAX_UPLOAD=${NGINX_MAX_UPLOAD:-0}
# Generate Nginx config for maximum upload file size
echo "client_max_body_size $USE_NGINX_MAX_UPLOAD;" > /etc/nginx/conf.d/upload.conf

# Get the URL for static files from the environment variable
USE_STATIC_URL=${STATIC_URL:-'/static'}
# Get the absolute path of the static files from the environment variable
USE_STATIC_PATH=${STATIC_PATH:-'/app/static'}
# Get the listen port for Nginx, default to 80
USE_LISTEN_PORT=${LISTEN_PORT:-80}

# Generate Nginx config first part using the environment variables
echo 'server {
    listen 80;
    server_name _;

    location / {
        include proxy_params;
        proxy_pass http://127.0.0.1:5000;
    }

    location /socket.io {
        include proxy_params;
        proxy_http_version 1.1;
	proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "Upgrade";
        proxy_pass http://127.0.0.1:5000/socket.io;
    }' > /etc/nginx/conf.d/nginx.conf




# If STATIC_INDEX is 1, serve / with /static/index.html directly (or the static URL configured)
if [[ $STATIC_INDEX == 1 ]] ; then 
echo "    location = / {
        index $USE_STATIC_URL/index.html;
    }" >> /etc/nginx/conf.d/nginx.conf
fi
# Finish the Nginx config file
echo "}" >> /etc/nginx/conf.d/nginx.conf

exec "$@"