Dockerfile

ARG NODE_VERSION=24.7.0-alpine
ARG NGINX_VERSION=alpine3.22

# Use a lightweight Node.js image for building (customizable via ARG)
FROM node:${NODE_VERSION} AS builder

WORKDIR /app

# Copy package-related files first to leverage Docker's caching mechanism
COPY dearborn-UI/package.json dearborn-UI/package-lock.json ./

RUN npm ci

COPY dearborn-UI/ .

# Build the Angular application
RUN npm run build 

FROM python:3.9-slim-buster AS runner

WORKDIR /app
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

COPY blueQ-backend.py .

# Copy the static build output from the build stage to flask's default HTML serving directory
COPY --from=builder /app/dist/*/browser ./static

EXPOSE 5000

# Define environment variables
ENV FLASK_APP=blueQ-backend.py

# Run the Flask application
CMD ["flask", "run", "--host=0.0.0.0", "--port=5000"]