feature: added bash to apk add

Dockerfile

@@ -1,10 +1,16 @@
-ARG BASE_IMAGE="nginx"
+ARG BASE_IMAGE="nginx:alpine"
 
 FROM ${BASE_IMAGE}
 
 # Install ping and ip
-RUN apt update && \
-    apt install -y iproute2 iputils-ping
+RUN apk add --no-cache iproute2 iputils nginx-mod-http-lua bash
+
+# Default nginx proxy envs
+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!"}
+
+# Copy default nginx configuration
+COPY default.nginx.conf /etc/nginx/nginx.conf
 
 # Copy entrypoint
 COPY docker-entrypoint.sh /usr/local/bin/docker-entrypoint.sh

default.nginx.conf

@@ -0,0 +1,14 @@
+include /etc/nginx/modules/http_lua.conf;
+
+events {}
+
+set_by_lua $nginx_proxy_source_port 'return os.getenv("$NGINX_PROXY_SOURCE_PORT")';
+set_by_lua $nginx_proxy_source_address 'return os.getenv("$NGINX_PROXY_SOURCE_ADDRESS")';
+
+stream {
+    server {
+
+        listen $nginx_proxy_source_port;
+        proxy_pass $nginx_proxy_source_address;
+    }
+}