Initial commit

infra/docker/base-runtime.Dockerfile

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+# Base Runtime Image - Contains core dependencies for ALL services
+# This image is built once and reused by all non-ML services
+# 
+# Build: docker build -t gitea.harkon.co.uk/harkon/base-runtime:v1.0.1 -f infra/docker/base-runtime.Dockerfile .
+# Push: docker push gitea.harkon.co.uk/harkon/base-runtime:v1.0.1
+
+FROM python:3.12-slim as builder
+
+# Install build dependencies
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create virtual environment
+RUN python -m venv /opt/venv
+ENV PATH="/opt/venv/bin:$PATH"
+
+# Copy requirements file
+COPY libs/requirements-base.txt /tmp/requirements-base.txt
+
+# Install base dependencies
+RUN pip install --no-cache-dir --upgrade pip && \
+    pip install --no-cache-dir -r /tmp/requirements-base.txt
+
+# Final stage - Runtime image
+FROM python:3.12-slim
+
+# Install runtime dependencies
+RUN apt-get update && apt-get install -y \
+    curl \
+    && rm -rf /var/lib/apt/lists/* \
+    && groupadd -r appuser \
+    && useradd -r -g appuser appuser
+
+# Copy virtual environment from builder
+COPY --from=builder /opt/venv /opt/venv
+
+# Set environment variables
+ENV PATH="/opt/venv/bin:$PATH" \
+    PYTHONUNBUFFERED=1 \
+    PYTHONDONTWRITEBYTECODE=1
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+    CMD python -c "import fastapi; import uvicorn; print('Base runtime image healthy')"
+
+# Default user
+USER appuser
+
+# Label
+LABEL maintainer="AI Tax Agent Team" \
+      description="Base runtime image with FastAPI, database drivers, and core dependencies" \
+      version="1.0.1"
+