ci: migrate Hub login from PAT to OIDC - #545
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Docker Hub is blocking image pushes using long-lived PATs to Docker-owned namespaces starting August 7, 2026. Migrate main.yml to use OIDC via login-action v4.6.0. - Add id-token: write to workflow permissions - Upgrade docker/login-action from v3.7.0 to v4.6.0 - Replace DOCKERPUBLICBOT_WRITE_PAT with DOCKERHUB_OIDC_CONNECTIONID from secret OIDC_CONNECTION_ID Merge gate: requires OIDC_CONNECTION_ID secret to be added to repo secrets before merging. Request connection ID from Hub/IAM team for docker/mcp-gateway scoped to the docker Hub org. Supersedes: #543 Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
cmrigney
approved these changes
Aug 6, 2026
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Summary
Docker Hub is blocking image pushes using long-lived PATs to Docker-owned namespaces starting August 7, 2026. This migrates
main.ymlto OIDC authentication.Changes
id-token: writeto workflow-level permissions (required for GitHub OIDC token issuance)docker/login-actionv3.7.0 → v4.6.0 (dbcb813)DOCKERPUBLICBOT_WRITE_PATwithDOCKERHUB_OIDC_CONNECTIONIDenv varDOCKERPUBLICBOT_USERNAMEvar; hardcodeusername: docker