multi docker nginx + nodejs 心得

1. 用nginx prxoy 可以mapping到不同的image，但外部可以持續用相同的cookie . 
2. 多專案debug時，直接用內網ip做 proxy_pass就可以了
3. 用docker-compose做 multi docker，做link後，所有的port都不需要開到外部去，增加安全性.

	server {
	listen 80;
	server_name localhost;
	location /test {
	proxy_pass http://app:3000/test; # proxy_pass http://192.168.1.100:3000/test;
	proxy_http_version 1.1;
	proxy_set_header Upgrade $http_upgrade;
	proxy_set_header Connection 'upgrade';
	proxy_set_header Host $host;
	proxy_cache_bypass $http_upgrade;
	}
	location / {
	proxy_pass http://app2:3001; # proxy_pass http://192.168.1.100:3001;
	proxy_http_version 1.1;
	proxy_set_header Upgrade $http_upgrade;
	proxy_set_header Connection 'upgrade';
	proxy_set_header Host $host;
	proxy_cache_bypass $http_upgrade;
	}
	location /parse {
	proxy_pass http://parse-server:1337/parse; # proxy_pass http://192.168.1.100:1337/parse;
	proxy_http_version 1.1;
	proxy_set_header Upgrade $http_upgrade;
	proxy_set_header Connection 'upgrade';
	proxy_set_header Host $host;
	proxy_cache_bypass $http_upgrade;
	}
	} docker-compose.yml < version: '2' services: app: image: "node:latest" working_dir: /usr/src/app command: ./run-dev.sh volumes: - ./app:/usr/src/app environment: - port=3000 depends_on: - parse-server app2: image: "node:latest" working_dir: /usr/src/app command: ./run-dev.sh volumes: - ./app:/usr/src/app environment: - port=3001 depends_on: - parse-server mongo: image: "mongo" parse-server: image: yongjhih/parse-server # ports: # - "1337:1337" environment: PORT: 1337 DATABASE_URI: "mongodb://mongo:27017/test" APP_ID: "test" MASTER_KEY: test_MASTER_KEY JAVASCRIPT_KEY: test_JAVASCRIPT_KEY links: - mongo depends_on: - mongo nginx: image: nginx ports: - "5010:80" volumes: - ./proxy/conf.d:/etc/nginx/conf.d links: - parse-server - mongo - app - app2