Image build is optimized.

flask_ml_api/Dockerfile

@@ -2,10 +2,10 @@
 FROM python:3.10-alpine AS builder
 
 # Install system dependencies
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    build-essential \
-    python3-venv \
-    && rm -rf /var/lib/apt/lists/*
+RUN apk add --no-cache \
+    build-base \
+    python3-dev \
+    py3-virtualenv
 
 # Create and activate virtual environment
 RUN python3 -m venv /opt/myenv
@@ -32,11 +32,10 @@ RUN /opt/myenv/bin/pip install sentence_transformers && \
 RUN /opt/myenv/bin/pip install --upgrade setuptools wheel
 
 # Final image
-FROM python:3.10-slim
+FROM python:3.10-alpine
 
 # Install system dependencies
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    && rm -rf /var/lib/apt/lists/*
+RUN apk add --no-cache
 
 # Copy virtual environment and application from build stage
 COPY --from=builder /opt/myenv /opt/myenv