hardening: Devcontainer + Push-Block-Hook#8
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Stack: java-maven (Library). Template aus ~/.claude/skills/hardening/templates/java-maven/.devcontainer/. Anpassung: - name -> java-identifiers - forwardPorts -> [5005] (nur JDWP — Library hat keinen App-Port) Pre-push-Hook blockt Push aus dem Container (DEVCONTAINER=true). Plan-Ref: vault/plans/2026-05-14-devcontainer-hardening.md (Welle 1, personal-Workspace) Konzept: ~/.claude/vault/concepts/devcontainer-architektur.md
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Summary
.devcontainer/(java-maven template): JDK 25 Bookworm image, Maven via apt, JDWP on 5005, docker-outside-of-docker feature, named M2 cache volume.containerEnv.DEVCONTAINER=trueactivates the pre-push hook block..githooks/pre-push: blocks all pushes when running inside a devcontainer (DEVCONTAINER=true).forwardPorts: [5005]— JDWP only, no app port (pure Library, no server).zrdj Lockstep Note
This PR touches only
.devcontainer/and.githooks/. No changes topom.xml, release scripts, or JitPack workflow. Safe to merge independently of release ordering.Plan Reference
vault/plans/2026-05-14-devcontainer-hardening.md— Welle 3, personal-Workspace (java-maven Libraries).Konzept:
~/.claude/vault/concepts/devcontainer-architektur.md