Build and push backend

backend/Dockerfile

@@ -4,16 +4,11 @@ FROM harbor.dvirlabs.com/base-images/python:3.11-slim
 # Set working directory
 WORKDIR /app
 
-# Install system dependencies
-RUN apt-get update && apt-get install -y \
-    gcc \
-    postgresql-client \
-    && rm -rf /var/lib/apt/lists/*
-
 # Copy requirements file
 COPY requirements.txt .
 
 # Install Python dependencies
+# Note: psycopg2-binary is pre-compiled, no gcc needed
 RUN pip install --no-cache-dir -r requirements.txt
 
 # Copy application code