autoconf - various fixes

examples/autoconf-reverse-proxy/docker-compose.yml

@@ -23,42 +23,30 @@ services:
       - USE_REVERSE_PROXY=yes
 
   myapp1:
-    image: node
+    build: js-app
     restart: always
-    working_dir: /home/node/app
-    volumes:
-      - ./js-app:/home/node/app
     environment:
       - NODE_ENV=production
-    command: bash -c "npm install express && node index.js"
     labels:
       - "bunkerized-nginx.SERVER_NAME=app1.domain.com"
       - "bunkerized-nginx.REVERSE_PROXY_URL=/"
       - "bunkerized-nginx.REVERSE_PROXY_HOST=http://myapp1:3000"
 
   myapp2:
-    image: node
+    build: js-app
     restart: always
-    working_dir: /home/node/app
-    volumes:
-      - ./js-app:/home/node/app
     environment:
       - NODE_ENV=production
-    command: bash -c "npm install express && node index.js"
     labels:
       - "bunkerized-nginx.SERVER_NAME=app2.domain.com"
       - "bunkerized-nginx.REVERSE_PROXY_URL=/"
       - "bunkerized-nginx.REVERSE_PROXY_HOST=http://myapp2:3000"
 
   myapp3:
-    image: node
+    build: js-app
     restart: always
-    working_dir: /home/node/app
-    volumes:
-      - ./js-app:/home/node/app
     environment:
       - NODE_ENV=production
-    command: bash -c "npm install express && node index.js"
     labels:
       - "bunkerized-nginx.SERVER_NAME=app3.domain.com"
       - "bunkerized-nginx.REVERSE_PROXY_URL=/"

examples/autoconf-reverse-proxy/js-app/Dockerfile

@@ -0,0 +1,11 @@
+FROM node
+
+COPY app/ /home/node/app
+
+RUN cd /home/node/app && npm install && chown -R root:node /home/node/app && chmod -R 770 /home/node/app
+
+WORKDIR /home/node/app
+
+USER node
+
+CMD ["node", "index.js"]

examples/autoconf-reverse-proxy/js-app/app/index.js

@@ -0,0 +1,13 @@
+const express = require('express')
+const app = express()
+const port = 3000
+var os = require("os");
+
+app.get('/', (req, res) => {
+  res.send('Container id = ' + os.hostname())
+})
+
+app.listen(port, () => {
+  console.log(`Example app listening at http://localhost:${port}`)
+})
+

examples/autoconf-reverse-proxy/js-app/app/package.json

@@ -0,0 +1,14 @@
+{
+  "name": "js-app",
+  "version": "1.0.0",
+  "description": "demo",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.17.1"
+  }
+}