Add configurable API host and update Swagger documentation

[iuwqyir]

TL;DR

Added configurable API host for Swagger documentation and improved API configuration.

What changed?

• Introduced a new APIConfig struct in configs/config.go with a Host field.
• Added a new command-line flag --api-host in cmd/root.go with a default value of "localhost:3000".
• Updated cmd/api.go to set the Swagger host dynamically using the configured API host.
• Removed the hardcoded host from docs/docs.go, docs/swagger.json, and docs/swagger.yaml.

How to test?

1. Run the API with a custom host:

   ./indexer api --api-host example.com:8080
   

2. Check the Swagger documentation to ensure the host is set correctly.

Why make this change?

This change allows for greater flexibility in deploying the API to different environments. By making the API host configurable, it becomes easier to adapt the service to various deployment scenarios without modifying the code. This is particularly useful for staging, production, and custom deployment setups.

[iuwqyir]

• Add CORS middleware to API routes #97
• Add configurable API host and update Swagger documentation #96 👈
• main

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[iuwqyir]

Merge activity

• Oct 9, 1:02 PM EDT: A user started a stack merge that includes this pull request via Graphite.
• Oct 9, 1:03 PM EDT: A user merged this pull request with Graphite.