Add GitHub Actions for compose validation and opt-in smoke testing - #2
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Fast-pass workflow runs docker compose config on every example on push/PR to catch construction errors without pulling images or starting containers. A second, heavier workflow actually brings each stack up and tears it down, but is workflow_dispatch-only so it never runs automatically.
actions/checkout@v4 targets Node 20, which GitHub is deprecating on hosted runners and now runs under a forced Node 24 shim with a warning. v5 targets Node 24 natively.
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Summary
compose-validate.yml: fast pass on push/PR — discovers every example'sdocker-compose.ymland runsdocker compose config --quietto confirm it parses and resolves (services, networks, volumes, env interpolation) without pulling images or starting any containers. Seeds.envfrom.env.templatewhere present (currently justelasticsearch, whosemem_limitvars otherwise resolve to an invalid empty size).compose-smoke-test.yml: heavier check — actually runsdocker compose up -d --waitper example to confirm every service reaches running/healthy state, thendocker compose down -vto clean up. Trigger isworkflow_dispatchonly, so it does not run on push/PR; someone has to kick it off manually.Test plan
actionlintagainst both files — zero issuesdocker compose config --quietagainst all 17 examples (withelasticsearch/.envseeded from its template) — all passcompose-validate.ymlgoes green on this PR's checkscompose-smoke-test.ymlonce merged to confirm it behaves as expected (may need to check runner sizing for the heavier examples like datastax/kafka-confluent)🤖 Generated with Claude Code
https://claude.ai/code/session_01JVcLpHjumfCn4GRzbeSB9C