blablabla

Dockerfile

@@ -1,14 +1,13 @@
-ARG BASE_IMAGE="nginx"
+ARG BASE_IMAGE="fabiocicerchia/nginx-lua:1.25.2-alpine3.18.3"
 
 FROM ${BASE_IMAGE}
 
 # Install ping and ip
-RUN apt update && \
+RUN apk add --no-cache iproute2 iputils bash
-    apt install -y iproute2 iputils-ping
 
 # Default nginx proxy envs
-ENV NGINX_PROXY_SOURCE_PORT=${NGINX_PROXY_SOURCE_PORT:-Please configure NGINX_PROXY_SOURCE_PORT env!}
+ENV NGINX_PROXY_SOURCE_PORT=${NGINX_PROXY_SOURCE_PORT:-"Please configure NGINX_PROXY_SOURCE_PORT env!"}
-ENV NGINX_PROXY_SOURCE_ADDRESS=${NGINX_PROXY_SOURCE_ADDRESS:-Please configure NGINX_PROXY_SOURCE_ADDRESS env!}
+ENV NGINX_PROXY_SOURCE_ADDRESS=${NGINX_PROXY_SOURCE_ADDRESS:-"Please configure NGINX_PROXY_SOURCE_ADDRESS env!"}
 
 # Copy default nginx configuration
 COPY default.nginx.conf /etc/nginx/nginx.conf

default.nginx.conf

@@ -2,7 +2,11 @@ events {}
 
 stream {
     server {
-        listen ${NGINX_PROXY_SOURCE_PORT};
+        content_by_lua_block {
-        proxy_pass ${NGINX_PROXY_SOURCE_ADDRESS};
+             ngx.var.nginx_proxy_source_port = os.getenv("$NGINX_PROXY_SOURCE_PORT");
+             ngx.var.nginx_proxy_source_address = os.getenv("$NGINX_PROXY_SOURCE_ADDRESS");
+        }
+        listen $nginx_proxy_source_port;
+        proxy_pass $nginx_proxy_source_address;
     }
 }