🎛 Add heroku deployment configuration files

.buildpacks

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+heroku buildpacks:clear
+heroku buildpacks:add --index 1 https://github.com/heroku/heroku-buildpack-nginx.git
+heroku buildpacks:add --index 2 heroku/python
+heroku buildpacks:add --index 3 https://github.com/heroku/heroku-buildpack-nodejs#v170
+# Just print buildpacks configuration
+heroku buildpacks

Procfile

@@ -0,0 +1 @@
+web: honcho start -f santosbot.Procfile

backend/heroku.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+# Install poetry with specific version
+pip install "poetry==1.0.5"
+# Project initialization without creating virtalenv
+poetry config virtualenvs.create false
+poetry install $([ "$ENVIRONMENT" = 'production' ] && echo "--no-dev") --no-interaction --no-ansi
+# Run project
+uvicorn api:app --port 8888 --host 0.0.0.0

bot/heroku.sh

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+# Install bot requirements
+pip install --no-cache-dir -r requirements.txt
+python main.py

config/nginx.conf.erb

@@ -0,0 +1,56 @@
+daemon off;
+# Heroku dynos have at least 4 cores.
+worker_processes <%= ENV['NGINX_WORKERS'] || 4 %>;
+
+events {
+  use epoll;
+  accept_mutex on;
+  worker_connections <%= ENV['NGINX_WORKER_CONNECTIONS'] || 1024 %>;
+}
+
+http {
+  gzip on;
+  gzip_comp_level 2;
+  gzip_min_length 512;
+
+  server_tokens off;
+
+  log_format l2met 'measure#nginx.service=$request_time request_id=$http_x_request_id';
+  access_log <%= ENV['NGINX_ACCESS_LOG_PATH'] || 'logs/nginx/access.log' %> l2met;
+  error_log <%= ENV['NGINX_ERROR_LOG_PATH'] || 'logs/nginx/error.log' %>;
+
+  include mime.types;
+  default_type application/octet-stream;
+  sendfile on;
+
+  # Must read the body in 5 seconds.
+  client_body_timeout <%= ENV['NGINX_CLIENT_BODY_TIMEOUT'] || 5 %>;
+
+  server {
+    listen <%= ENV["PORT"] %>;
+    server_name _;
+    keepalive_timeout 5;
+    client_max_body_size <%= ENV['NGINX_CLIENT_MAX_BODY_SIZE'] || 1 %>M;
+
+    location  / {
+      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+      proxy_set_header Host $http_host;
+      proxy_redirect off;
+      # Proxy pass ExpressJS Server.
+      proxy_pass http://127.0.0.1:8080;
+    }
+
+    # Proxy pass to Backend service
+    location /api/ {
+      proxy_pass          http://127.0.0.1:8888/;
+      proxy_http_version  1.1;
+      proxy_redirect      default;
+      proxy_set_header    Upgrade $http_upgrade;
+      proxy_set_header    Connection "upgrade";
+      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_set_header    X-Forwarded-Host $server_name;
+    }
+  }
+}

frontend/heroku.sh

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+echo "Installing npm packages..."
+npm install
+echo "Done!"

frontend/server.js

@@ -1,6 +1,8 @@
+const path = require("path");
+const fs = require("fs");
+
 const express = require("express");
 const serveStatic = require("serve-static");
-const path = require("path");
 
 const app = express();
 
@@ -12,6 +14,11 @@ app.get(/.*/, function(req, res) {
   res.sendFile(path.join(__dirname, "/dist/index.html"));
 });
 
-const port = process.env.PORT || 8080;
-app.listen(port);
+const port = 8080;
+app.listen(port, () => {
+  if (process.env.DYNO) {
+    console.log("Running on Heroku!");
+    fs.openSync("/tmp/app-initialized", "w");
+  }
+});
 console.log(`Server is listening on port: ${port}`);

package.json

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+{
+  "name": "ahah, fooled you heroku 🙃",
+  "version": "0.1.0"
+}

requirements.txt

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+# ahah, fooled you heroku 🙃
+honcho

runtime.txt

@@ -0,0 +1 @@
+python-3.7.2

santosbot.Procfile

@@ -0,0 +1,3 @@
+frontend: cd frontend && ./heroku.sh && cd .. && bin/start-nginx node frontend/server.js
+backend: cd backend && ./heroku.sh
+bot: cd bot && ./heroku.sh