Initial commit: breakpilot-core - Shared Infrastructure

Docker Compose with 24+ services:
- PostgreSQL (PostGIS), Valkey, MinIO, Qdrant
- Vault (PKI/TLS), Nginx (Reverse Proxy)
- Backend Core API, Consent Service, Billing Service
- RAG Service, Embedding Service
- Gitea, Woodpecker CI/CD
- Night Scheduler, Health Aggregator
- Jitsi (Web/XMPP/JVB/Jicofo), Mailpit

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend-core/Dockerfile

@@ -0,0 +1,64 @@
+# ============================================================
+# BreakPilot Core Backend  --  Multi-stage Docker build
+# ============================================================
+
+# ---------- Build stage ----------
+FROM python:3.12-slim-bookworm AS builder
+
+WORKDIR /app
+
+# Build-time system libs (needed for asyncpg / psycopg2)
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    libpq-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY requirements.txt .
+
+RUN python -m venv /opt/venv
+ENV PATH="/opt/venv/bin:$PATH"
+RUN pip install --no-cache-dir --upgrade pip && \
+    pip install --no-cache-dir -r requirements.txt
+
+# ---------- Runtime stage ----------
+FROM python:3.12-slim-bookworm
+
+WORKDIR /app
+
+# Runtime system libs
+#   - libpango / libgdk-pixbuf / shared-mime-info  -> WeasyPrint (pdf_service)
+#   - libgl1 / libglib2.0-0                        -> OpenCV (file_processor)
+#   - curl                                          -> healthcheck
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    libpango-1.0-0 \
+    libpangocairo-1.0-0 \
+    libgdk-pixbuf-2.0-0 \
+    libffi-dev \
+    shared-mime-info \
+    libgl1 \
+    libglib2.0-0 \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy virtualenv from builder
+COPY --from=builder /opt/venv /opt/venv
+ENV PATH="/opt/venv/bin:$PATH"
+
+# Non-root user
+RUN useradd --create-home --shell /bin/bash appuser
+
+# Copy application code
+COPY --chown=appuser:appuser . .
+
+USER appuser
+
+# Python tweaks
+ENV PYTHONUNBUFFERED=1
+ENV PYTHONDONTWRITEBYTECODE=1
+
+EXPOSE 8000
+
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+    CMD curl -f http://127.0.0.1:8000/health || exit 1
+
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]