Microservices Part 2: Connect Your Services Safely

[julia-kafarska]

Full tutorial with screenshots: https://blog.light-cloud.com/tutorials/microservices-on-light-cloud-part-2-connect-services

Part 2 of 6 of the series Microservices on Light Cloud.

Allow several browser origins with CORS, rotate the secret your services share without dropping a request, and add a timeout between services, step by step on Light Cloud.

Level: Intermediate · Time: about 15 minutes · Plan: Starter · Stack: Node.js, Express, Python, FastAPI, CORS

Steps

• Step 1: Get the Part 2 code
• Step 2: Allow more than one origin
• Step 3: Rotate the shared secret without downtime
• Step 4: Fail fast when catalog-api is down

Source code: https://github.com/light-cloud-com/tutorial-microservices
Live demo: https://main-web-examples.light-cloud.io

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Questions, problems with a step, or a screen that no longer matches the console? Reply here. Every tutorial is re-run on the live platform before it is published, and this thread is where fixes get discussed.