Dockerfile

FROM ubuntu:22.04

# Prevent interactive prompts during build
ENV DEBIAN_FRONTEND=noninteractive

# 1. Install system dependencies
RUN apt-get update && apt-get install -y \
    openjdk-21-jdk \
    supervisor \
    netcat-traditional \
    wget \
    gnupg \
    lsb-release \
    curl \
    && rm -rf /var/lib/apt/lists/*

# 2. Add Official Repositories (PostgreSQL 18 & Redis Stack)
RUN install -d /usr/share/postgresql-common/pgdg && \
    curl -o /usr/share/postgresql-common/pgdg/apt.postgresql.org.asc --fail https://www.postgresql.org/media/keys/ACCC4CF8.asc && \
    echo "deb [signed-by=/usr/share/postgresql-common/pgdg/apt.postgresql.org.asc] http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list && \
    wget -O- https://packages.redis.io/gpg | gpg --dearmor -o /usr/share/keyrings/redis-archive-keyring.gpg && \
    echo "deb [signed-by=/usr/share/keyrings/redis-archive-keyring.gpg] https://packages.redis.io/deb $(lsb_release -cs) main" > /etc/apt/sources.list.d/redis.list

# 3. Install Services
RUN apt-get update && apt-get install -y \
    postgresql-18 \
    redis-stack-server \
    && rm -rf /var/lib/apt/lists/*

# 4. Initialize PostgreSQL 18
# We run this as the postgres user to set the password and create the DB
USER postgres
RUN /etc/init.d/postgresql start && \
    psql --command "ALTER USER postgres WITH PASSWORD 'pass';" && \
    createdb SwipeTrip
USER root

# 5. Configure Supervisor for Process Management and Logging
RUN mkdir -p /var/log/supervisor
COPY <<EOF /etc/supervisor/conf.d/supervisord.conf
[supervisord]
nodaemon=true
user=root
logfile=/dev/null
logfile_maxbytes=0

[program:postgresql]
command=/usr/lib/postgresql/18/bin/postgres -D /var/lib/postgresql/18/main -c config_file=/etc/postgresql/18/main/postgresql.conf
user=postgres
autorestart=true
stdout_logfile=/dev/stdout
stdout_logfile_maxbytes=0
stderr_logfile=/dev/stderr
stderr_logfile_maxbytes=0

[program:redis]
command=/usr/bin/redis-stack-server --port 6379
user=root
autorestart=true
stdout_logfile=/dev/stdout
stdout_logfile_maxbytes=0
stderr_logfile=/dev/stderr
stderr_logfile_maxbytes=0

[program:java-app]
# Wait for Postgres (5432) and Redis (6379) to be ready before starting Java
command=/bin/sh -c "while ! nc -z localhost 5432; do sleep 1; done; while ! nc -z localhost 6379; do sleep 1; done; java -XX:+EnableDynamicAgentLoading -jar /app/app.jar --server.port=7860"
user=root
autorestart=false
stdout_logfile=/dev/stdout
stdout_logfile_maxbytes=0
stderr_logfile=/dev/stderr
stderr_logfile_maxbytes=0
EOF

# 6. Finalize Application
WORKDIR /app
COPY api-0.0.1-SNAPSHOT.jar app.jar

EXPOSE 7860

# Start Supervisor to manage all three processes
CMD ["/usr/bin/supervisord", "-c", "/etc/supervisor/conf.d/supervisord.conf"]