deploy: add Dockerfile and docker-compose for production

Dockerfile

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+FROM python:3.11-slim
+
+WORKDIR /app
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    gcc \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+RUN mkdir -p /app/logs
+
+CMD ["python", "main.py", "--production"]

docker-compose.yml

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+version: "3.9"
+
+networks:
+  frontend:
+    external: true
+
+services:
+  doormile_agents:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    image: doormile-agents:latest
+    container_name: doormile_agents
+    restart: unless-stopped
+    environment:
+      # NATS — event bus
+      - NATS_URL=${NATS_URL}
+      - NATS_USER=${NATS_USER}
+      - NATS_PASSWORD=${NATS_PASSWORD}
+      # Redis — GEO queries, miler presence
+      - REDIS_HOST=${REDIS_HOST}
+      - REDIS_PORT=${REDIS_PORT}
+      - REDIS_PASSWORD=${REDIS_PASSWORD}
+      # Postgres — booking history, outcome tracking
+      - DB_HOST=${DB_HOST}
+      - DB_PORT=${DB_PORT}
+      - DB_NAME=${DB_NAME}
+      - DB_USER=${DB_USER}
+      - DB_PASSWORD=${DB_PASSWORD}
+      # Go backend — internal API calls
+      - GO_API_BASE_URL=${GO_API_BASE_URL}
+      - INTERNAL_API_KEY=${INTERNAL_API_KEY}
+      # AI layer — decision engine
+      - AI_LAYER_BASE_URL=${AI_LAYER_BASE_URL}
+      - ANTHROPIC_API_KEY=${ANTHROPIC_API_KEY}
+      # Logging
+      - LOG_LEVEL=${LOG_LEVEL:-INFO}
+    volumes:
+      - ./logs:/app/logs
+    networks:
+      - frontend
+    deploy:
+      resources:
+        limits:
+          cpus: "1.0"
+          memory: 512M
+        reservations:
+          cpus: "0.25"
+          memory: 128M