Setup deployment with fly.io

.dockerignore

@@ -0,0 +1,3 @@
+node_modules
+.env
+tags

.editorconfig

@@ -0,0 +1,8 @@
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_style = space
+indent_size = 2

Dockerfile

@@ -0,0 +1,37 @@
+# syntax = docker/dockerfile:1
+
+ARG NODE_VERSION=18.17.1
+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 8080
+CMD [ "npm", "run", "start" ]

fly.toml

@@ -0,0 +1,12 @@
+app = "youtube-shuffle"
+primary_region = "iad"
+
+[env]
+  PORT = 8080
+  REDIRECT_URI = "https://youtube-shuffle.fly.dev"
+
+[http_service]
+  force_https = true
+  auto_stop_machines = true
+  auto_start_machines = true
+  min_machines_running = 0

index.js

@@ -40,7 +40,7 @@ async function authMiddleware(req, res) {
     [process.env.REDIRECT_URI],
   );
 
-  if (req.headers.cookie) {
+  if (/token/.test(req.headers.cookie)) {
     const tokens = JSON.parse(req.headers.cookie.split('=')[1]);
     oAuth2Client.setCredentials(tokens);
   } else if (qs.code) {
@@ -71,7 +71,7 @@ http
     try {
       const parsedUrl = url.parse(req.url);
       await authMiddleware(req, res);
-      if (parsedUrl.pathname === '/' && !res.finished) {
+      if (parsedUrl.pathname === '/' && !res.writableEnded) {
         const playlists = await getPlaylists();
         const playlistsHTML = playlists
           .map((pl) => {
@@ -87,7 +87,7 @@ http
       }
     } catch (err) {
       res.statusCode = 500;
-      res.end(err.toString());
+      res.end(err.stack);
     }
   })
   .listen(process.env.PORT, () => {