Hey there, let’s take a look at your local testing workflow for Cocos Creator + Facebook Instant Games—it’s actually spot-on for the most part! Let’s break down what’s working, fill in the missing piece, and add some key tips to avoid common pitfalls:

Your Core Steps Are Correct #

Facebook Instant Games strictly requires a secure HTTPS context (even for local testing), and your process hits all the necessary notes:

• Using an HTTPS-enabled local server: This is non-negotiable for FB Instant Games APIs to function—you’ve got the right idea here.
• Installing http-server:

  npm install -g http-server
  

  This is a lightweight, reliable tool for spinning up local servers quickly—great choice.
• Generating SSL certs via OpenSSL:

  cd fb-instant-games/
  openssl genrsa 2048 > key.pem
  openssl req -x509 -days 1000 -new -key key.pem -out cert.pem
  

  This is the standard way to create self-signed certs for local testing. When prompted for details during the openssl req step, you can fill in dummy info (no real domain/organization needed for local use).
• Starting the HTTPS server: It looks like your command got cut off—here’s the full, correct command:

  http-server -S -C cert.pem -K key.pem
  

  The -S flag enables SSL, -C points to your certificate file, and -K specifies the private key. You can add -p [port-number] if you want to use a custom port instead of the default 8080.

Critical Extra Tips to Smooth Out Testing #

1. Trust the self-signed cert in your browser:
   When you first visit your local HTTPS URL (e.g., https://localhost:8080), your browser will throw a "not secure" warning—this is normal for self-signed certs. To fix this:
   • Chrome: Click the "Not secure" warning in the address bar → Go to "Certificate" → Import it into your system’s "Trusted Root Certification Authorities" (use Windows Certificate Manager or Mac Keychain Access).
   • Firefox: On the warning page, click "Advanced" → "Accept the Risk and Continue".
2. Double-check FB Instant Games build config:
   Make sure you’ve entered your test app ID (from the Facebook Developer Dashboard) in Cocos Creator’s FB Instant Games build settings. Without this, the FB SDK won’t initialize properly.
3. Add your account to the test app:
   Local testing requires your Facebook account to be listed as a developer or test user in your Facebook test app settings. If you skip this, FB will block access to the game.

If you run into specific issues (like server startup errors, SDK initialization failures, etc.), drop the exact error messages and I’ll help you troubleshoot further!

内容的提问来源于stack exchange，提问作者David Coleman