Adds logging

docker-compose.yaml

@@ -17,6 +17,8 @@ services:
       - BUILD_VERSION=local-build # DO NOT SPECIFY WHEN DEPLOYING TO STAGE
       - NODE_ENV=${ENV} # CAN ONLY BE 'local' OR 'production', hardcode to 'production' WHEN DEPLOYING TO STAGE AND PROD
       - NODE_OPTIONS=--enable-source-maps
+      - LOG_LEVEL=info
+      - LOG_PRETTY=on
     logging:
       driver: "json-file"
       options:

index.js

@@ -2,14 +2,15 @@
 
 import express from 'express';
 import cookieParser from 'cookie-parser';
-import logger from 'morgan';
+// import logger from "morgan";
 import apiRouter from './routes/api';
 import api_headers from './lib/api_headers';
 import api_errors from './lib/api_errors';
+import logger from './lib/logger';
 
 const app = express();
 
-app.use(logger('dev'));
+app.use(logger.info);
 app.use(express.json());
 app.use(express.urlencoded({ extended: false }));
 app.use(cookieParser());
@@ -21,7 +22,7 @@ app.get('/', (req, res, next) => {
 });
 
 app.listen(3000, () => {
-  console.info('Service running on port 3000');
+  logger.info('Service running on port 3000');
 });
 
 export default app;

lib/logger.mjs

@@ -0,0 +1,20 @@
+import winston from 'winston';
+
+const log_format = [
+  winston.format.errors({ stack: true }),
+  winston.format.timestamp({ format: 'YYYY-MM-DD HH:mm:ss' }),
+  winston.format.json()
+];
+
+if (process.env.LOG_PRETTY === 'on') {
+  log_format.push(winston.format.prettyPrint());
+}
+
+const logger = winston.createLogger({
+  level: process.env.LOG_LEVEL || 'info',
+  format: winston.format.combine(...log_format),
+  defaultMeta: { hostname: process.env.HOSTNAME || 'localhost' },
+  transports: [new winston.transports.Console()]
+});
+
+export default logger;

package.json

@@ -12,7 +12,8 @@
     "debug": "^2.6.9",
     "express": "^4.16.1",
     "http-errors": "^2.0.0",
-    "morgan": "^1.9.1"
+    "morgan": "^1.9.1",
+    "winston": "^3.11.0"
   },
   "devDependencies": {
     "@babel/core": "^7.23.9",

webpack.config.js

@@ -29,7 +29,7 @@ module.exports = {
   module: {
     rules: [
       {
-        test: /\.(js)$/,
+        test: /\.(m|c)?(js)$/,
         exclude: /node_modules/,
         use: ['babel-loader']
       }
@@ -39,7 +39,7 @@ module.exports = {
     minimize: process.env.ENV !== 'local',
     minimizer: [
       new TerserPlugin({
-        test: /\.(js)$/,
+        test: /\.(m|c)?(js)$/,
         extractComments: true,
         parallel: true,
         terserOptions: {
@@ -53,7 +53,7 @@ module.exports = {
   plugins: [
     new ESLintLoader({
       fix: true,
-      files: ['**/*.js']
+      files: ['**/*.js', '**/*.mjs', '**/*.cjs']
     }),
     new NodemonPlugin({
       // If using more than one entry, you can specify
@@ -73,7 +73,7 @@ module.exports = {
       ignore: ['*.js.map'],
 
       // Extensions to watch.
-      ext: 'js,njk,json',
+      ext: 'js,njk,json,mjs,cjs',
 
       // Unlike the cli option, delay here is in milliseconds (also note that it's a string).
       // Here's 1 second delay:
@@ -93,6 +93,6 @@ module.exports = {
     })
   ],
   resolve: {
-    extensions: ['*', '.js']
+    extensions: ['*', '.js', '.mjs', '.cjs']
   }
 };