Express example (#45)

examples/expressjs-postgres/.gitignore

@@ -19,3 +19,12 @@
 npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
+
+# local env files
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+# out dir
+dist/

examples/expressjs-postgres/Dockerfile

@@ -1,18 +0,0 @@
-FROM node:alpine
-
-# Create app directory
-WORKDIR /usr/src/app
-
-# Install app dependencies
-# A wildcard is used to ensure both package.json AND package-lock.json are copied
-# where available (npm@5+)
-COPY package*.json ./
-
-RUN npm install
-# If you are building your code for production
-# RUN npm ci --only=production
-
-# Bundle app source
-COPY . .
-
-CMD [ "npm", "run", "start" ]

examples/expressjs-postgres/README.md

@@ -3,7 +3,7 @@
 This example starts an [ExpressJS](https://expressjs.com/) server that connects
 to a Railway PostgreSQL database.
 
-[![Deploy on Railway](https://railway.app/button.svg)](https://railway.app/new?template=https%3A%2F%2Fgithub.com%2Frailwayapp%2Fexamples%2Ftree%2Fmaster%2Fexamples%2Fexpressjs-postgres)
+[![Deploy on Railway](https://railway.app/button.svg)](https://railway.app/new?template=https%3A%2F%2Fgithub.com%2Frailwayapp%2Fexamples%2Ftree%2Fmaster%2Fexamples%2Fexpressjs-postgres&plugins=postgresql)
 
 ## ✨ Features
 
@@ -12,6 +12,7 @@ to a Railway PostgreSQL database.
 
 ## 💁‍♀️ How to use
 
+- Install dependencies `yarn`
 - [Create a Railway project with the Postgres plugin](https://dev.new)
 - Connect to your Railway project `railway init`
 - Start the server `railway run yarn start`

examples/expressjs-postgres/package.json

@@ -1,17 +1,26 @@
 {
-  "name": "with-express",
+  "name": "expressjs-postgres",
   "private": true,
   "version": "1.0.0",
   "main": "index.js",
   "author": "Jake Runzer",
   "license": "MIT",
   "scripts": {
-    "start": "node src/index.js",
-    "build": "echo 'No build step'"
+    "dev": "nodemon src/index.ts",
+    "build": "tsc",
+    "start": "node dist/index.js"
   },
   "dependencies": {
+    "body-parser": "^1.19.0",
     "express": "^4.17.1",
     "pg": "^8.5.1"
   },
-  "devDependencies": {}
+  "devDependencies": {
+    "@types/body-parser": "^1.19.0",
+    "@types/express": "^4.17.11",
+    "@types/pg": "^7.14.9",
+    "nodemon": "^2.0.7",
+    "ts-node": "^9.1.1",
+    "typescript": "^4.1.3"
+  }
 }

examples/expressjs-postgres/src/index.js

@@ -1,18 +0,0 @@
-const express = require("express");
-const pg = require("pg");
-
-// Connect to the database using the DATABASE_URL environment
-//   variable injected by Railway
-const pool = new pg.Pool();
-
-const app = express();
-const port = process.env.PORT || 3000;
-
-app.get("/", async (req, res) => {
-  const { rows } = await pool.query("SELECT NOW()");
-  res.send(`Hello, World! ${rows[0].now}`);
-});
-
-app.listen(port, () => {
-  console.log(`Example app listening at http://localhost:${port}`);
-});

examples/expressjs-postgres/src/index.ts

@@ -0,0 +1,23 @@
+import bodyParser from "body-parser";
+import express from "express";
+import pg from "pg";
+
+// Connect to the database using the DATABASE_URL environment
+//   variable injected by Railway
+const pool = new pg.Pool();
+
+const app = express();
+const port = process.env.PORT || 3333;
+
+app.use(bodyParser.json());
+app.use(bodyParser.raw({ type: "application/vnd.custom-type" }));
+app.use(bodyParser.text({ type: "text/html" }));
+
+app.get("/", async (req, res) => {
+  const { rows } = await pool.query("SELECT NOW()");
+  res.send(`Hello, World! The time from the DB is ${rows[0].now}`);
+});
+
+app.listen(port, () => {
+  console.log(`Example app listening at http://localhost:${port}`);
+});

examples/expressjs-postgres/tsconfig.json

@@ -0,0 +1,13 @@
+{
+  "compilerOptions": {
+    "outDir": "dist",
+
+    "incremental": true,
+    "target": "es6",
+    "module": "commonjs",
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true
+  }
+}