# Use Node.js 22 LTS slim image as base
FROM node:22-slim

# Set working directory
WORKDIR /src

# Set environment variable to skip downloading prebuilt workers
ENV MEDIASOUP_SKIP_WORKER_PREBUILT_DOWNLOAD="true"
ENV NODE_ENV="production"

# Install necessary system packages and dependencies
RUN apt-get update \
    && apt-get install -y --no-install-recommends \
        build-essential \
        python3 \
        python3-pip \
        ffmpeg \
    && rm -rf /var/lib/apt/lists/*

# Rename config.template.js to config.js
COPY ./app/src/config.template.js ./app/src/config.js

# Copy package*.json and install npm dependencies
COPY package*.json ./
RUN npm ci --only=production --silent

# Cleanup unnecessary packages and files
RUN apt-get purge -y --auto-remove \
    python3-pip \
    build-essential \
    && npm cache clean --force \
    && rm -rf /tmp/* /var/tmp/* /usr/share/doc/*

# Copy the application code
COPY app app
COPY public public

# Set default command to start the application
CMD ["npm", "start"]