docker-compose-nexus

gistfile1.txt

networks:
  nexus:

services:
  # pre container is used to set the correct permissions on the nexus-data and config dirs
  pre:
    image: alpine:3.19
    volumes:
      - ./data:/data
      - ./config:/config
    command: sh -c 'mkdir -p /data/nexus /config/nexus && chown -R 200:200 /data/nexus && chown -R 200:200 /config/nexus'

  postgres:
    image: postgres:16.1-alpine3.18
    environment:
      - POSTGRES_USER=nexus
      - POSTGRES_PASSWORD=nexus
      - POSTGRES_DB=nexus
    volumes:
      - ./data/postgres:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD", "pg_isready", "-U", "nexus"]
      interval: 30s
      timeout: 5s
      retries: 5
    restart: unless-stopped
    networks:
      - nexus

  nexus:
    image: sonatype/nexus3:3.63.0
    ports:
      - "8081:8081"
    volumes:
      # note: nexus-data and config dirs needs to be owned by user:group 200:200, see `pre` container
      - ./data/nexus:/nexus-data
      - ./config/nexus:/opt/sonatype/nexus/etc
    environment:
      - INSTALL4J_ADD_VM_PARAMS=-Xms256m -Xmx512m -XX:MaxDirectMemorySize=1g -Djava.util.prefs.userRoot=/nexus-data/javaprefs
      - NEXUS_SECURITY_RANDOMPASSWORD=false
      - NEXUS_SECURITY_REALM=Database
      - NEXUS_SECURITY_AUTHENTICATION_REALMS=Database
      - NEXUS_SECURITY_SOURCE_REALM=Database
      - NEXUS_SECURITY_AUTHORIZATION_REALMS=Database
      - NEXUS_SECURITY_ROLE_SOURCE=Database
    depends_on:
      pre:
        condition: service_completed_successfully
      postgres:
        condition: service_healthy
    restart: unless-stopped
    mem_limit: 1g
    cpus: '1'
    networks:
      - nexus