25651574678
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Ran 11 May 2026 05:19AM UTC

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Committed 11 May 2026 05:11AM UTC coverage: 74.734% (-0.08%) from 74.816%

Build # 25651574678

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push

github

Committed by

web-flow

Commit Message

:memo: README: document two-statement resource policy for Function URLs (#1455)

When `function_url_enabled` is true with `authorizer: NONE`,
`update_function_url_policy` (zappa/core.py) attaches BOTH
`lambda:InvokeFunctionUrl` AND `lambda:InvokeFunction` to
`Principal: "*"` — the behaviour set up in #1393 to match AWS's actual
requirement.

The AWS docs example at
https://docs.aws.amazon.com/lambda/latest/dg/urls-auth.html only shows
the first statement, so users adding Function URLs manually outside
Zappa (e.g. via `aws lambda create-function-url-config` + a single
`aws lambda add-permission` for `lambda:InvokeFunctionUrl`) hit 403
``AccessDeniedException`` and assume the Lambda is misconfigured.

This note documents what Zappa already does and points readers at the
two-statement shape, so anyone reverse-engineering Zappa's policy
to set up Function URLs themselves does not have to discover the
second statement empirically.

Coverage Stats

3650 of 4884 relevant lines covered (74.73%)

4.48 hits per line

Coverage Regressions

Lines	Coverage	∆	File
4	74.32	-0.26%	cli.py

Jobs

ID	Job ID	Ran	Files	Coverage
1	py3.11 - 25651574678.1	11 May 2026 05:20AM UTC	14	74.73	GitHub Action Run
2	py3.14 - 25651574678.2	11 May 2026 05:19AM UTC	14	74.73	GitHub Action Run
3	py3.9 - 25651574678.3	11 May 2026 05:22AM UTC	14	74.73	GitHub Action Run
4	py3.12 - 25651574678.4	11 May 2026 05:22AM UTC	14	74.73	GitHub Action Run
5	py3.13 - 25651574678.5	11 May 2026 05:20AM UTC	14	74.73	GitHub Action Run
6	py3.10 - 25651574678.6	11 May 2026 05:20AM UTC	14	74.73	GitHub Action Run

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