feat(mcp): подготовить сервер и доступ к приёмке

deploy/updater/Dockerfile

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+# syntax=docker/dockerfile:1
+
+FROM docker:27-cli
+
+RUN apk add --no-cache bash curl jq coreutils
+
+WORKDIR /updater
+
+COPY entrypoint.sh /updater/entrypoint.sh
+COPY targets.json.example /etc/updater/targets.json
+
+RUN chmod +x /updater/entrypoint.sh
+
+ENV TARGETS_FILE=/etc/updater/targets.json
+ENV STATE_FILE=/state/updater-state.json
+ENV POLL_INTERVAL_SECONDS=300
+ENV HEALTH_TIMEOUT_SECONDS=600
+ENV STOP_TIMEOUT_SECONDS=30
+ENV REGISTRY=git.shx.one
+
+VOLUME ["/state"]
+
+ENTRYPOINT ["/updater/entrypoint.sh"]