nginx proxy by famous jwilder

[pySatellite]

scale out/in -> auto lb

• https://stackoverflow.com/questions/50203408/docker-compose-scale-x-nginx-conf-configuration
• https://github.com/nginx-proxy/nginx-proxy
• https://hub.docker.com/r/nginxproxy/nginx-proxy
• chrome 브라우저에서 http://aws.google.com:9889/ 확인 위해 window hosts 파일 수정필요

$ docker compose -f compose/auto_lb/compose.yml  up -d --build --force-recreate

$ docker compose -f compose/auto_lb/compose.yml ls                             
NAME                STATUS              CONFIG FILES
awsgoo              running(2)          /home/tom/code/k9s/compose/auto_lb/compose.yml

$ docker compose -f compose/auto_lb/compose.yml  up -d --scale blog=5

docker compose -f compose/auto_lb/compose.yml ps
NAME                   IMAGE                    COMMAND                  SERVICE             CREATED              STATUS              PORTS
awsgoo-blog-1          awsgoo-blog              "/bin/sh -c 'service…"   blog                About a minute ago   Up About a minute   80/tcp
awsgoo-blog-2          awsgoo-blog              "/bin/sh -c 'service…"   blog                19 seconds ago       Up 17 seconds       80/tcp
awsgoo-blog-3          awsgoo-blog              "/bin/sh -c 'service…"   blog                19 seconds ago       Up 16 seconds       80/tcp
awsgoo-blog-4          awsgoo-blog              "/bin/sh -c 'service…"   blog                19 seconds ago       Up 17 seconds       80/tcp
awsgoo-blog-5          awsgoo-blog              "/bin/sh -c 'service…"   blog                19 seconds ago       Up 16 seconds       80/tcp
awsgoo-nginx-proxy-1   nginxproxy/nginx-proxy   "/app/docker-entrypo…"   nginx-proxy         About a minute ago   Up About a minute   0.0.0.0:9889->80/tcp

[pySatellite]

limit cpu / memory

• https://docs.docker.com/compose/compose-file/compose-file-v3/#resources

  
  version: '3.8'
  name: awsgoo
  services:
  nginx-proxy:
  image: nginxproxy/nginx-proxy # https://github.com/nginx-proxy/nginx-proxy
  ports:
    - "9889:80"
  volumes:
    - /var/run/docker.sock:/tmp/docker.sock:ro
  depends_on:
    - blog
  deploy:
    resources:
      limits:
        cpus: '0.10'
        memory: 50M
      reservations:
        cpus: '0.05'
        memory: 20M
  
  blog:
  # build: ../../docker_file/httpd
  # image: pysatellite/myblog
  deploy:
    mode: replicated
    replicas: 1 # https://docs.docker.com/compose/compose-file/deploy/#replicas
    resources: # https://docs.docker.com/compose/compose-file/compose-file-v3/#resources
      limits:
        cpus: '0.05'
        memory: 50M
      reservations:
        cpus: '0.01'
        memory: 20M
  expose:
    - "80"
  environment:
    - VIRTUAL_HOST=aws.google.com
    - VIRTUAL_PORT=80

[pySatellite]

compose.yml

version: '2'
name: awsgoo
services:
  nginx-proxy:
    image: nginxproxy/nginx-proxy # https://github.com/nginx-proxy/nginx-proxy
    ports:
      - "9889:80"
    volumes:
      - /var/run/docker.sock:/tmp/docker.sock:ro
    depends_on:
      - blog

  blog:
    # build: ../../docker_file/httpd
    image: pysatellite/blog
    deploy:
      mode: replicated
      replicas: 1 # https://docs.docker.com/compose/compose-file/deploy/#replicas
    expose:
      - "80"
    environment:
      - VIRTUAL_HOST=aws.google.com
      - VIRTUAL_PORT=80