Bump lambda/python from 3.11.2025.09.23.13 to 3.11.2025.10.02.15 in /lambdas/indexer

[dependabot]

Bumps lambda/python from 3.11.2025.09.23.13 to 3.11.2025.10.02.15.

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot show <dependency name> ignore conditions will show all of the ignore conditions of the specified dependency
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)

[greptile-apps]

Greptile Overview

Summary

This pull request updates the AWS Lambda Python base image for the indexer Lambda function from version `3.11.2025.09.23.13` to `3.11.2025.10.02.15`. This is a routine dependency update generated by Dependabot to keep the Lambda runtime current with the latest patches and improvements.

The indexer Lambda function is part of Quilt's data processing pipeline, responsible for processing and indexing data files in S3 buckets. The change affects only the base Docker image used to build the Lambda function, updating the FROM statement in the Dockerfile to use the newer AWS-provided Python 3.11 runtime image. The update includes both the version tag and the corresponding SHA256 hash to ensure build reproducibility and security.

This type of update is common in production systems where base images are regularly updated by cloud providers to include security patches, bug fixes, and performance improvements. The change maintains the same Python 3.11 major version while incorporating the latest runtime improvements from AWS.

Important Files Changed

Changed Files

Filename	Score	Overview
lambdas/indexer/Dockerfile	5/5	Updates AWS Lambda Python base image from 3.11.2025.09.23.13 to 3.11.2025.10.02.15 with new SHA256 hash

Confidence score: 5/5

• This PR is extremely safe to merge with minimal risk as it only updates a base Docker image to a newer patch version
• Score reflects the routine nature of base image updates and the fact that AWS rigorously tests these runtime images before release
• No files require special attention as this is a standard Dependabot security/maintenance update

Sequence Diagram

sequenceDiagram
    participant User
    participant "Dependabot"
    participant "Docker Registry"
    participant "AWS Lambda Runtime"
    participant "Build System"
    
    User->>Dependabot: "Configure dependency updates"
    Dependabot->>Docker Registry: "Check for new lambda/python image versions"
    Docker Registry-->>Dependabot: "Version 3.11.2025.10.02.15 available"
    Dependabot->>Build System: "Update Dockerfile with new base image"
    Build System->>Docker Registry: "Pull public.ecr.aws/lambda/python:3.11.2025.10.02.15"
    Docker Registry-->>Build System: "Return updated base image"
    Build System->>Build System: "Build multi-stage Docker image"
    Build System->>AWS Lambda Runtime: "Deploy updated indexer function"
    AWS Lambda Runtime-->>User: "Function ready with updated runtime"

Loading

_{1 file reviewed, no comments}

_{Edit Code Review Agent Settings | Greptile}

[dependabot]

Superseded by #4576.