lots of stuff

Dockerfile

@@ -0,0 +1,13 @@
+FROM node:12
+
+WORKDIR /app
+
+COPY package*.json ./
+
+RUN npm install
+
+COPY . .
+
+EXPOSE 3000
+
+CMD ["npm", "start"]

README.md

@@ -9,4 +9,11 @@ Note: I'm assuming you're running Ubuntu 22.04.
 * Get nodejs and npm ready
     - Run `sudo apt update` and `sudo apt install nodejs`. Check that worked with `node -v`.
     - Run `sudo apt install npm`. Check that worked with `npm -v`.
-* Init an npm project.
+* Init an npm project: `npm init -y`
+* Modify `package.json`: you might want to add dependencies.
+* Potentially add a `start script`.
+
+## How to run
+
+* You can get the dev containers up and running with `npm run start:containers`.
+* If you would rather only run the express app locally, you can just do `npm run start` instead.

caddy/Caddyfile

@@ -0,0 +1,3 @@
+:80 {
+    reverse_proxy express:3000
+}

docker-compose.yml

@@ -0,0 +1,16 @@
+version: '3'
+
+services:
+  express:
+    build: .
+    ports:
+      - "3000:3000"
+
+  caddy:
+    image: caddy:2
+    ports:
+      - "80:80"
+    volumes:
+      - ./caddy:/etc/caddy
+    depends_on:
+      - express

index.js

@@ -3,7 +3,7 @@ const app = express();
 const port = 3000;
 
 app.get('/', (req, res) => {
-    res.send('Hello World!');
+    res.send("Hello World! We're live");
 });
 
 app.listen(port, () => {

package.json

@@ -8,6 +8,8 @@
   "main": "index.js",
   "scripts": {
     "start": "node index.js",
+    "start:containers": "docker compose up -d --build",
+    "stop:containers": "docker compose down",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "keywords": [],