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backend/.env.example

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+APP_ENV=dev
+APP_NAME=mt-traffic
+BASE_URL=http://localhost:8000
+
+# SQLite: w dev może być w repo, w dockerze zapisujemy do /data
+DATABASE_URL=sqlite+aiosqlite:///./mt_traffic.db
+DOCKER_DATABASE_URL=sqlite+aiosqlite:////data/mt_traffic.db
+
+# Security
+SESSION_SECRET=change_me_long_random
+CREDENTIALS_MASTER_KEY=change_me_32bytes_base64_fernet
+PASSWORD_HASH_ALG=argon2
+
+# Cookies
+COOKIE_SECURE=false
+COOKIE_SAMESITE=lax
+CORS_ORIGINS=http://localhost:3000
+
+# Polling
+DEFAULT_POLL_INTERVAL_MS=1000
+MAX_WS_SUBSCRIPTIONS_PER_USER=10
+
+# Bootstrap admin
+ADMIN_BOOTSTRAP_EMAIL=admin@example.com
+ADMIN_BOOTSTRAP_PASSWORD=admin1234