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· One min read
Hreniuc Cristian-Alexandru

I needed this when I switched from kubernetes to docker compose(Kubernetes was too much to maintain and I only had one small project).

To load balance I used the following config for nginx:

upstream pool-of-services {
  # Resolved by docker dns, so they must exist at nginx startup, othewise this fails
  server container_1:6070;
  server container_2:6070;
}

server {
    # Listen to port 443 on both IPv4 and IPv6.
    listen 443 ssl;
    listen [::]:443 ssl;

    location / {
      proxy_set_header   Host             $host;
      proxy_set_header   X-Real-IP        $remote_addr;
      proxy_set_header   X-Forwarded-For  $proxy_add_x_forwarded_for;
      proxy_pass http://pool-of-services;
    }
}

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· One min read
Hreniuc Cristian-Alexandru

To do so, I used jonasal/nginx-certbot docker image.

My docker compose file looked like this:

version: "3"
name: "nginx"
services:
  nginx:
    image: jonasal/nginx-certbot:3.3.1
    container_name: nginx_prod_1
    ports:
      - 80:80
      - 443:443
    volumes:
      - ./fs/nginx/secrets:/etc/letsencrypt:rw
      - ./fs/nginx/log:/var/log/nginx:rw
      - ./fs/nginx/user_conf.d:/etc/nginx/user_conf.d:ro
    environment:
      DEBUG: 1
      CERTBOT_EMAIL: email
      #STAGING: 1
    restart: always