Dockerfile

FROM ubuntu:22.04

ENV DEBIAN_FRONTEND=noninteractive

# Install Node.js 20, Python 3, Caddy, Supervisor, and dependencies
RUN apt-get update && apt-get install -y \
    debian-keyring debian-archive-keyring apt-transport-https curl supervisor \
    python3 python3-pip python3-venv \
    && curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
    && apt-get install -y nodejs \
    && curl -1sLf 'https://dl.cloudsmith.io/public/caddy/stable/gpg.key' | gpg --dearmor -o /usr/share/keyrings/caddy-stable-archive-keyring.gpg \
    && curl -1sLf 'https://dl.cloudsmith.io/public/caddy/stable/debian.deb.txt' | tee /etc/apt/sources.list.d/caddy-stable.list \
    && apt-get update && apt-get install -y caddy \
    && rm -rf /var/lib/apt/lists/*

RUN useradd -m -u 1000 user
WORKDIR /app

# Copy backend applications and proxy configuration
COPY projects/telegram-send-demo/backend /app/projects/telegram-send-demo/backend
COPY projects/k3s-test-app /app/projects/k3s-test-app
COPY Caddyfile /etc/caddy/Caddyfile
COPY supervisord.conf /etc/supervisor/conf.d/supervisord.conf

# Build NestJS Backend (Port 3000)
RUN cd /app/projects/telegram-send-demo/backend && npm install && npm run build

# Setup Python Virtual Environment & install dependencies for k3s-test-app (Port 8000)
RUN python3 -m venv /app/projects/k3s-test-app/.venv \
    && /app/projects/k3s-test-app/.venv/bin/pip install --upgrade pip \
    && /app/projects/k3s-test-app/.venv/bin/pip install uvicorn fastapi pydantic \
    && /app/projects/k3s-test-app/.venv/bin/pip install -e /app/projects/k3s-test-app

# Set non-root container permissions
RUN chown -R user:user /app /etc/caddy /var/log/supervisor /var/lib/caddy /var/log/caddy

USER user

EXPOSE 7860

CMD ["/usr/bin/supervisord", "-c", "/etc/supervisor/conf.d/supervisord.conf"]