Merge pull request 'refactor: Switch backend Dockerfile to use Alpine package manager' (#9) from ph4 into prod

Reviewed-on: #9

be/Dockerfile.prod

@@ -9,12 +9,12 @@ ENV PYTHONDONTWRITEBYTECODE=1 \
     PIP_DISABLE_PIP_VERSION_CHECK=1
 
 # Install system dependencies
-RUN apt-get update && apt-get install -y --no-install-recommends \
+# Use apk for Alpine Linux instead of apt-get
+RUN apk add --no-cache \
     gcc \
     build-essential \
     libpq-dev \
-    curl \
-    && rm -rf /var/lib/apt/lists/*
+    curl
 
 # Create non-root user
 RUN groupadd -r appuser && useradd -r -g appuser appuser