Refactor Dockerfile for improved structure

Author: karimzakzouk

Dockerfile

@@ -1,32 +1,25 @@
 FROM python:3.11-alpine3.17 AS builder
 
-# Set working directory
 WORKDIR /usr/src/app
 
-# Install build dependencies
 RUN apk add --no-cache --virtual .build-deps \
     gcc musl-dev libffi-dev
 
-# Install Python dependencies
 COPY requirements.txt .
+
 RUN pip install --no-cache-dir --prefix=/install -r requirements.txt
 
-# Final lightweight runtime image
 FROM python:3.11-alpine3.17
 
 WORKDIR /usr/src/app
 
-# Create non-root user
 RUN addgroup -S app && adduser -S app -G app
 USER app
 
-# Copy installed dependencies from builder
 COPY --from=builder /install /usr/local
 
-# Copy app source
 COPY . .
 
 EXPOSE 3000
 
-# Use exec form to prevent shell issues
 CMD ["python", "app.py"]