databases.yaml

version: '3.9'
services:
  oracle_db:
    image: gvenzl/oracle-xe:21.3.0
    container_name: oracle_db
    environment:
      - "ORACLE_ALLOW_REMOTE=true"
      - "ORACLE_PASSWORD=oracle"
      - "ORACLE_DATABASE=flashcards"
      - "APP_USER=flashcards"
      - "APP_USER_PASSWORD=flashcards"
    healthcheck:
      test: [ "CMD-SHELL", "healthcheck.sh" ]
      interval: 10s
      timeout: 5s
      retries: 10
    ports:
      - '1521:1521'
    volumes:
      - oracle_data:/opt/oracle/oradata
    networks:
      - flashcards
    deploy:
      resources:
        limits:
          cpus: '4'
          memory: '12G'
        reservations:
          cpus: '4'
          memory: '12G'
  cassandra:
    image: cassandra:latest
    container_name: cassandra
    ports:
      - "9042:9042"
    networks:
      - flashcards
    environment:
      - CASS_USERNAME=cassandra
      - CASS_PASSWORD=cassandra
    healthcheck:
      test: [ "CMD", "cqlsh", "-e", "describe keyspaces" ]
      interval: 5s
      timeout: 5s
      retries: 60
    deploy:
      resources:
        limits:
          cpus: '4'
          memory: '12G'
        reservations:
          cpus: '4'
          memory: '12G'
networks:
  flashcards:
    driver: bridge
volumes:
  oracle_data: