migrate from heroku to fly.io

.dockerignore

@@ -0,0 +1,7 @@
+node_modules/
+.monitor
+config/env/env.json
+Makefile
+.DS_Store
+.env
+data

Dockerfile

@@ -0,0 +1,39 @@
+# syntax = docker/dockerfile:1
+
+# Adjust NODE_VERSION as desired
+ARG NODE_VERSION=18.16.1
+FROM node:${NODE_VERSION}-slim as base
+
+LABEL fly_launch_runtime="Node.js"
+
+# Node.js app lives here
+WORKDIR /app
+
+# Set production environment
+ENV NODE_ENV="production"
+
+
+# Throw-away build stage to reduce size of final image
+FROM base as build
+
+# Install packages needed to build node modules
+RUN apt-get update -qq && \
+    apt-get install -y build-essential pkg-config python-is-python3
+
+# Install node modules
+COPY --link package-lock.json package.json ./
+RUN npm ci
+
+# Copy application code
+COPY --link . .
+
+
+# Final stage for app image
+FROM base
+
+# Copy built application
+COPY --from=build /app /app
+
+# Start the server by default, this can be overwritten at runtime
+EXPOSE 3000
+CMD [ "npm", "run", "start" ]

config/env/production.js

@@ -10,24 +10,24 @@ module.exports = {
     clientID: process.env.TWITTER_CLIENTID,
     clientSecret: process.env.TWITTER_SECRET,
     callbackURL:
-      'https://nodejs-express-demo.herokuapp.com/auth/twitter/callback/'
+      'https://nodejs-express-demo.fly.dev/auth/twitter/callback/'
   },
   github: {
     clientID: process.env.GITHUB_CLIENTID,
     clientSecret: process.env.GITHUB_SECRET,
     callbackURL:
-      'https://nodejs-express-demo.herokuapp.com/auth/github/callback'
+      'https://nodejs-express-demo.fly.dev/auth/github/callback'
   },
   linkedin: {
     clientID: process.env.LINKEDIN_CLIENTID,
     clientSecret: process.env.LINKEDIN_SECRET,
     callbackURL:
-      'https://nodejs-express-demo.herokuapp.com/auth/linkedin/callback'
+      'https://nodejs-express-demo.fly.dev/auth/linkedin/callback'
   },
   google: {
     clientID: process.env.GOOGLE_CLIENTID,
     clientSecret: process.env.GOOGLE_SECRET,
     callbackURL:
-      'https://nodejs-express-demo.herokuapp.com/auth/google/callback'
+      'https://nodejs-express-demo.fly.dev/auth/google/callback'
   }
 };

fly.toml

@@ -0,0 +1,17 @@
+# fly.toml app configuration file generated for nodejs-express-demo on 2023-08-31T11:46:03+02:00
+#
+# See https://fly.io/docs/reference/configuration/ for information about how to use this file.
+#
+
+app = "nodejs-express-demo"
+primary_region = "ams"
+
+[build]
+
+[http_service]
+  internal_port = 3000
+  force_https = true
+  auto_stop_machines = true
+  auto_start_machines = true
+  min_machines_running = 0
+  processes = ["app"]