Create Dockerfile-multistage

Author: LondheShubham153

Dockerfile-multistage

@@ -0,0 +1,29 @@
+# ------------------- Stage 1: Build Stage ------------------------------
+FROM python:3.9 AS builder
+
+WORKDIR /app
+
+# Install build dependencies
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends gcc default-libmysqlclient-dev pkg-config && \
+    rm -rf /var/lib/apt/lists/*
+
+# Copy and install Python dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# ------------------- Stage 2: Final Stage ------------------------------
+FROM python:3.9-slim
+
+WORKDIR /app
+
+# Install runtime dependencies only
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends libmariadb3 && \
+    rm -rf /var/lib/apt/lists/*
+
+# Copy dependencies and application code from the builder stage
+COPY --from=builder /usr/local/lib/python3.9/site-packages/ /usr/local/lib/python3.9/site-packages/
+COPY . .
+
+CMD ["python", "app.py"]