How to Self-Host a Git Server with Forgejo and Docker

mkdir -p ~/forgejo && cd ~/forgejo
echo "DB_PASSWORD=$(openssl rand -hex 24)" > .env
chmod 600 .env

networks:
  forgejo:
    external: false

services:
  server:
    image: codeberg.org/forgejo/forgejo:17
    container_name: forgejo
    environment:
      - USER_UID=1000
      - USER_GID=1000
      - FORGEJO__database__DB_TYPE=postgres
      - FORGEJO__database__HOST=db:5432
      - FORGEJO__database__NAME=forgejo
      - FORGEJO__database__USER=forgejo
      - FORGEJO__database__PASSWD=${DB_PASSWORD}
      - FORGEJO__server__SSH_PORT=222
    restart: always
    networks:
      - forgejo
    volumes:
      - ./forgejo:/data
      - /etc/localtime:/etc/localtime:ro
    ports:
      - "127.0.0.1:3000:3000"
      - "222:22"
    depends_on:
      - db

  db:
    image: postgres:14
    restart: always
    environment:
      - POSTGRES_USER=forgejo
      - POSTGRES_PASSWORD=${DB_PASSWORD}
      - POSTGRES_DB=forgejo
    networks:
      - forgejo
    volumes:
      - ./postgres:/var/lib/postgresql/data

sudo docker compose up -d

server {
    listen 80;
    listen [::]:80;
    server_name git.example.com;

    client_max_body_size 512M;

    location / {
        proxy_pass http://127.0.0.1:3000;
        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_set_header X-Forwarded-Proto $scheme;
    }
}

sudo ln -s /etc/nginx/sites-available/git.example.com /etc/nginx/sites-enabled/   # Ubuntu / Debian only
sudo nginx -t
sudo systemctl reload nginx

sudo certbot --nginx -d git.example.com

      - FORGEJO__service__DISABLE_REGISTRATION=true