version: '3'

services:
  pgadmin4:
    build: pgadmin4
    container_name: pgadmin4
    volumes:
      - pgadmin4_data:/var/lib/pgadmin
    environment:
      - PGADMIN_DEFAULT_EMAIL=[Initial login address]
      - PGADMIN_DEFAULT_PASSWORD=[Initial login password]
    ports:
      - "80:80"

  postgres:
    image: postgres:latest
    container_name: postgres
    volumes:
      - postgres_data:/var/lib/postgresql/data
    environment:
      - POSTGRES_USER=【user】
      - POSTGRES_PASSWORD=【password】
      - POSTGRES_INITDB_ARGS=--encoding=UTF-8 --locale=C
      - TZ=Asia/Tokyo
    ports:
      - 5432:5432

volumes:
  pgadmin4_data:
    external:
      name: pgadmin4_data
  postgres_data:
    external:
      name: postgres_data

FROM dpage/pgadmin4

USER root

RUN apk update \
    && apk add --update --no-cache tzdata \
    && cp /usr/share/zoneinfo/Asia/Tokyo /etc/localtime \
    && echo "Asia/Tokyo" > /etc/timezone \
    && apk del tzdata

EXPOSE 80

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