J2EE Deploiement using Docker

base.Dockerfile

FROM eclipse-temurin:17-jdk-alpine

# Install required packages
RUN apk add curl unzip

# Set environment variables
ENV GLASSFISH_HOME=/opt/glassfish7
ENV GLASSFISH_URL=https://download.eclipse.org/ee4j/glassfish/glassfish-7.0.9.zip
ENV DOMAIN_NAME=domain1
ENV POSTGRESQL_VERSION=42.6.0

# Download and install GlassFish
RUN curl -L ${GLASSFISH_URL} -o /tmp/glassfish.zip && \
    mkdir -p ${GLASSFISH_HOME} && \
    unzip /tmp/glassfish.zip -d /tmp && \
    cp -r /tmp/glassfish7/* ${GLASSFISH_HOME}/ && \
    rm -rf /tmp/glassfish7 && \
    rm -f /tmp/glassfish.zip && \
    chmod -R +x ${GLASSFISH_HOME}/bin && \
    chmod -R +r ${GLASSFISH_HOME}/glassfish/lib

# Set PATH after GlassFish installation
ENV PATH=${GLASSFISH_HOME}/bin:$PATH

# Download PostgreSQL JDBC driver
RUN curl -L https://jdbc.postgresql.org/download/postgresql-${POSTGRESQL_VERSION}.jar -o ${GLASSFISH_HOME}/glassfish/domains/${DOMAIN_NAME}/lib/postgresql.jar && \
    chmod 644 ${GLASSFISH_HOME}/glassfish/domains/${DOMAIN_NAME}/lib/postgresql.jar

# Verify GlassFish installation
RUN asadmin version

docker-compose.yml

services:
  postgres:
    image: postgres:15-alpine
    environment:
      POSTGRES_DB: hotel_db
      POSTGRES_USER: hotel_user
      POSTGRES_PASSWORD: hotel_password
    # ports:
    #   - 5433:5432
    volumes:
      - postgres_data:/var/lib/postgresql/data
      - ./src/main/resources/data.sql:/docker-entrypoint-initdb.d/data.sql
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U hotel_user -d hotel_db"]
      interval: 10s
      timeout: 5s
      retries: 5

  app:
    image: hotel-reservation:latest
    # build:
    #   context: .
    #   dockerfile: Dockerfile
    ports:
      - 8080:8080
      - 9990:9990
    depends_on:
      postgres:
        condition: service_healthy
    environment:
      - POSTGRES_HOST=postgres
      - POSTGRES_PORT=5432
      - POSTGRES_DB=hotel_db
      - POSTGRES_USER=hotel_user
      - POSTGRES_PASSWORD=hotel_password

volumes:
  postgres_data:

Dockerfile

FROM hotel-reservation-base:latest

# Set environment variables
ENV GLASSFISH_HOME=/opt/glassfish7
ENV DOMAIN_NAME=domain1

# Copy application WAR file
COPY target/hotel-reservation.war ${GLASSFISH_HOME}/glassfish/domains/${DOMAIN_NAME}/autodeploy/

# Copy GlassFish configuration files
COPY src/main/webapp/WEB-INF/glassfish-resources.xml ${GLASSFISH_HOME}/glassfish/domains/${DOMAIN_NAME}/config/
COPY src/main/webapp/WEB-INF/glassfish-web.xml ${GLASSFISH_HOME}/glassfish/domains/${DOMAIN_NAME}/config/

# Expose ports
EXPOSE 8080 4848

# Start GlassFish
CMD ["asadmin", "start-domain", "--verbose", "domain1"]