Deploy metabase with Caddy using Docker compose

.env

# =====================================
# Database environment
#
DB_TYPE=mysql

DB_HOST=
DB_NAME=
DB_USER=
DB_PASSWORD=

DB_PORT=3306

# =====================================
# Metabase environment
#

MB_DB_FILE=/metabase-data/metabase.db
MB_PORT=3000
MB_VOLUME=mb-data
MB_JAVA_TIMEZONE=America/Buenos_Aires

Caddyfile

<domain-name> {
        reverse_proxy /* metabase:3000 
}

docker-compose.yaml

version: '3.8'

services:
  caddy:
    image: caddy:2-alpine
    restart: unless-stopped
    ports:
      - "80:80"
      - "443:443"
    volumes:
      - caddy_data:/data
      - caddy_config:/config
      - $PWD/Caddyfile:/etc/caddy/Caddyfile
    networks:
      - external
      - internal

  metabase:
    image: metabase/metabase
    restart: always
    environment:
      MB_DB_TYPE: '${DB_TYPE}'
      MB_DB_DBNAME: '${DB_NAME}'
      MB_DB_FILE: '${MB_DB_FILE}'
      MB_DB_PORT: '${DB_PORT}'
      MB_DB_USER: '${DB_USER}'
      MB_DB_HOST: '${DB_HOST}'
      MB_DB_PASS: '${DB_PASSWORD}'
      JAVA_TIMEZONE: '${MB_JAVA_TIMEZONE}'
    ports:
      # <Port exposed>:<Port running inside container>
      - '${MB_PORT}:3000'
    volumes:
      # Volumes where Metabase data will be persisted
      - 'mb-data:/metabase-data'
    networks:
      internal:
        ipv4_address: 192.168.224.2

networks:
  external:
    external: false
  internal:
    external: false
    driver: bridge
    ipam:
      config:
        - subnet: 192.168.224.0/24
          gateway: 192.168.224.1

volumes:
  mb-data:
  caddy_data:
  caddy_config:

Reference:

• https://www.metabase.com/docs/latest/installation-and-operation/running-metabase-on-docker
• https://caddyserver.com/
• https://docs.docker.com/compose/environment-variables/set-environment-variables/