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Deploying a specific function from a specific codebase in Firebase Functions

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Firebase
JavaScript
Python
TypeScript
Firebase Functions
tech

Conclusion

# firebase deplop --only functions:[codebase]:[functionName]
% firebase deplop --only functions:py:hello_world

The Problem

When deploying Firebase Functions, there are cases where you only want to deploy a specific function.

In such cases, as described in the documentation, you can deploy using the following command.

# firebase deplop --only functions:[functionName]
% firebase deplop --only functions:helloWorld

However, the function I wanted to deploy this time was a specific function that belonged to a different codebase. In that case, the CLI cannot find the function using the command above.

When the codebase is not default

The function configuration object in Firebase has a property called codebase, which allows you to manage multiple source packages within a single repository.

"functions": [
  {
    "source": "teamA",
    "codebase": "team-a"
  },
  {
    "source": "teamB",
    "codebase": "team-b"
  },
]

In this case, you can deploy a specific codebase by specifying it as follows:

$ firebase deploy --only functions:team-b
i  deploying functions
i  functions: preparing codebase team-b for deployment
i  functions: updating Node.js 16 function team-b:helloBTeam(us-central1)...
...

By separating codebases, you can manage JavaScript functions and Python functions simultaneously.

This much is described in the documentation, but the method for deploying a specific function within a specific codebase was not mentioned. (As far as I searched, I couldn't find where it was described.)

After trying various things, as I mentioned at the beginning, I was able to deploy a specific function of a specific codebase with the following command.

# firebase deplop --only functions:[codebase]:[functionName]
% firebase deplop --only functions:py:hello_world

References

Discussion