feat: docker compose infrastructure — postgres+timescaledb, redis, ollama

.env.example

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+# PostgreSQL
+POSTGRES_PASSWORD=trading
+
+# Trading Bot
+TRADING_DATABASE_URL=postgresql+asyncpg://trading:trading@localhost:5432/trading
+TRADING_REDIS_URL=redis://localhost:6379/0
+TRADING_LOG_LEVEL=INFO
+
+# Alpaca (paper trading)
+ALPACA_API_KEY=your_api_key_here
+ALPACA_SECRET_KEY=your_secret_key_here
+ALPACA_BASE_URL=https://paper-api.alpaca.markets
+
+# JWT
+JWT_SECRET_KEY=change-me-in-production
+
+# Reddit (for news fetcher)
+REDDIT_CLIENT_ID=your_client_id
+REDDIT_CLIENT_SECRET=your_client_secret
+REDDIT_USER_AGENT=trading-bot/0.1
+
+# Ollama
+OLLAMA_HOST=http://localhost:11434

.gitignore

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+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+*.egg-info/
+*.egg
+.eggs/
+dist/
+build/
+.venv/
+venv/
+*.whl
+
+# Node
+node_modules/
+dashboard/dist/
+dashboard/build/
+
+# Secrets
+.env
+*.pem
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Data
+*.db
+*.sqlite3

docker-compose.yml

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+services:
+  postgres:
+    image: timescale/timescaledb:latest-pg16
+    environment:
+      POSTGRES_USER: trading
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-trading}
+      POSTGRES_DB: trading
+    ports:
+      - "5432:5432"
+    volumes:
+      - pgdata:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U trading"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+
+  redis:
+    image: redis:7-alpine
+    ports:
+      - "6379:6379"
+    volumes:
+      - redisdata:/data
+    healthcheck:
+      test: ["CMD", "redis-cli", "ping"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+
+  ollama:
+    image: ollama/ollama:latest
+    ports:
+      - "11434:11434"
+    volumes:
+      - ollama_models:/root/.ollama
+
+volumes:
+  pgdata:
+  redisdata:
+  ollama_models: