feature: try alpine

Dockerfile

@@ -1,10 +1,16 @@
-ARG BASE_IMAGE="nginx"
+ARG BASE_IMAGE="nginx:alpine"
 
 FROM ${BASE_IMAGE}
 
 # Install ping and ip
-RUN apt update && \
+RUN apk add --no-cache iproute2 iputils nginx-mod-http-lua
-    apt install -y iproute2 iputils-ping
+
+# Default nginx proxy envs
+ENV NGINX_PROXY_SOURCE_PORT=${NGINX_PROXY_SOURCE_PORT:-"Please configure NGINX_PROXY_SOURCE_PORT env!"}
+ENV NGINX_PROXY_SOURCE_ADDRESS=${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

Jenkinsfile

@@ -18,7 +18,7 @@ pipeline {
         stage('prepare') {
             steps {
                 script {
-                    env.IMAGE_BASE_NAME = "jdk14-alpine"
+                    env.IMAGE_BASE_NAME = "nginx-routes"
                     env.RELEASE_TAG_PREFIX = "release-"
                     env.REGISTRY_HOST = "git.tswf.io"
                     if (env.TAG_NAME == null) {

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;
+    }
+}