modules should be self contained

modules/ec2-postgresql/ec2.tf

@@ -18,7 +18,7 @@ resource "aws_instance" "nginx_node" {
   }
 
   provisioner "file" {
-    source = "${path.module}/../provision/"
+    source = "${path.module}/provision/"
     destination = "/home/ubuntu/provision/"
   }
 

modules/ec2/ec2.tf

@@ -18,7 +18,7 @@ resource "aws_instance" "nginx_node" {
   }
 
   provisioner "file" {
-    source = "${path.module}/../provision/"
+    source = "${path.module}/provision/"
     destination = "/home/ubuntu/provision/"
   }
 

modules/ec2/provision/app/index.js

@@ -0,0 +1,8 @@
+const express = require('express');
+
+const app = express();
+
+app.get('/', (req, res) => {
+  res.send(`<h1>Dummy app</h1><p>Response from PID: ${process.pid}. Hit F5 many times!</p>`);
+});
+app.listen(3000, () => console.log('Listening on port 3000!'));

modules/ec2/provision/app/package.json

@@ -0,0 +1,14 @@
+{
+  "name": "sample-app",
+  "version": "0.0.1",
+  "main": "index.js",
+  "author": {
+    "name": "Julian Reyes",
+    "email": "jreyes@bixlabs.com",
+    "url": "https://twitter.com/rokemaster"
+  },
+  "dependencies": {
+    "express": "^4.15.4"
+  },
+  "private": true
+}

modules/ec2/provision/install_dummy_app.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+# This loads nvm
+export NVM_DIR="$HOME/.nvm"
+\. "$NVM_DIR/nvm.sh"
+
+cp -r $HOME/provision/app $HOME/
+cp -r $HOME/provision/pm2.json $HOME/app-pm2.json
+npm i -g pm2
+
+cd $HOME/app
+npm i
+
+pm2 start $HOME/app-pm2.json

modules/ec2/provision/install_nginx.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+set -e
+export DEBIAN_FRONTEND=noninteractive
+
+sudo apt-get install -y nginx
+sudo rm /etc/nginx/sites-enabled/default
+sudo ln -s $HOME/provision/nginx_app.conf /etc/nginx/sites-enabled/default
+sudo systemctl restart nginx

modules/ec2/provision/install_nvm.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+function latest_version() {
+    curl -s https://api.github.com/repos/creationix/nvm/releases/latest \
+        | grep 'tag_name' \
+        | cut -d '"' -f 4
+}
+
+function install_version() {
+    curl "https://raw.githubusercontent.com/creationix/nvm/${1}/install.sh" \
+        | bash
+}
+
+install_version `latest_version`
+
+export NVM_DIR="$HOME/.nvm"
+[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"  # This loads nvm
+[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"  # This loads nvm bash_completion
+
+nvm install 8.4.0

modules/ec2/provision/install_ubuntu_build_essential.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+set -e
+export DEBIAN_FRONTEND=noninteractive
+
+sudo apt-get update
+sudo apt-get install -y build-essential libssl-dev

modules/ec2/provision/nginx_app.conf

@@ -0,0 +1,18 @@
+upstream app {
+    server 127.0.0.1:3000;
+}
+
+server {
+    listen 80 default_server;
+    listen [::]:80 default_server;
+
+    server_name _;
+
+    location / {
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+
+        proxy_pass http://app;
+    }
+}

modules/ec2/provision/pm2.json

@@ -0,0 +1,10 @@
+{
+  "name": "dummy-app",
+  "cwd": "/home/ubuntu/app",
+  "script": "index.js",
+  "env": {
+    "NODE_ENV": "production"
+  },
+  "instances": 2,
+  "exec_mode": "cluster"
+}