ARG NODE_VERSION=24.15.0
FROM node:${NODE_VERSION}-alpine

WORKDIR /usr/src/app

# Use cache mounts for faster installs
RUN --mount=type=bind,source=backend/package.json,target=package.json \
    --mount=type=bind,source=backend/package-lock.json,target=package-lock.json \
    --mount=type=cache,target=/root/.npm \
    npm ci

# Copy the backend source
COPY ./backend .

# Copy and setup entrypoint
COPY ./docker/entrypoint.sh /usr/local/bin/entrypoint.sh
RUN chmod +x /usr/local/bin/entrypoint.sh

EXPOSE 5000

ENTRYPOINT [ "entrypoint.sh" ]

# This '$@' will be replaced by the CMD
CMD ["npm", "start"]