Add Grafana Loki logging to production

package.json

@@ -21,7 +21,7 @@
 		"pg": "^8.13.1",
 		"pino": "^9.5.0",
 		"pino-http": "^10.3.0",
-		"pino-pretty": "^13.0.0"
+		"pino-loki": "^2.3.1"
 	},
 	"devDependencies": {
 		"@eslint/js": "^9.15.0",
@@ -32,6 +32,7 @@
 		"eslint": "^9.15.0",
 		"globals": "^15.12.0",
 		"nodemon": "^3.1.7",
+		"pino-pretty": "^13.0.0",
 		"ts-node": "^10.9.2",
 		"typescript": "^5.6.3",
 		"typescript-eslint": "^8.14.0"

src/utils/logger.ts

@@ -1,14 +1,33 @@
 import pino from "pino";
-import PinoPretty from "pino-pretty";
 
-const logger = pino({
-	transport: {
+let transport;
+
+if (process.env.NODE_ENV === "production") {
+	transport = pino.transport({
+		target: "pino-loki",
+		options: {
+			batching: true,
+			interval: 5,
+			host: process.env.LOKI_HOST,
+			basicAuth: {
+				username: process.env.LOKI_USER,
+				password: process.env.LOKI_PASS,
+			},
+			labels: {
+				app: "YALS",
+			},
+		},
+	});
+} else {
+	transport = pino.transport({
 		target: "pino-pretty",
 		options: {
 			colorize: true,
 			minimumLevel: "debug",
 		},
-	},
-});
+	});
+}
+
+const logger = pino(transport);
 
 export default logger;