How to handle multi microservice deployment from a single GitHub project?

I have multiple microservices in a single GitHub project. I want to deploy some services to the same server and some to a different server. Has anyone done this kind of deployment with capistrano?

MongoDB Replica set : Best practices while reading from secondaries?

I'm trying to implement a mongo replica set for one of our DBs. I would like to have some of the dashboard/MIS queries to be run on the secondary so that it does not load the primary. What are the best practices to implement this? Do you split the a...

JSON transformation tool or library

Hi, I'm looking for a JSON transformation tool - transform from one JSON format to another JSON. I've seen Apache Velocity Templates (Java based) engine. Are there any other recommendations? Preferably one that can be used from PH

How do you protect an API key in JavaScript?

I see that most folks want to make a third-party API call from clients (javascript) as opposed to from the server for latency purposes. What are the different ways of keeping the API key in javascript as a secret?

API versioning - how do you do it?

What's the preferred option for API versioning? Do you have it in the path like /api/v1? Or in the HTTP headers? Or any other way? What are the pros and cons to this?

Has anyone implemented asynchronous APIs? Do you have any insights to share?

I have a use-case to implement an asynchronous API. I may not have the data to return synchronously, but at a later point in time. What are the best practices to implement this? Do you have any insights to share?

Which API specification tool do you use?

Has anyone used Amazon's API Gateway?

Here is the documentation : https://docs.aws.amazon.com/apigateway

Mongo query to SQL query conversion?

I'm looking for an open-source library that converts Mongo queries to SQL queries. Any suggestions?

Which is the best API proxy?

Has anyone used an API proxy? What all did you consider while choosing your API proxy?