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Full Go project scaffold with all packages that compile clean and pass golangci-lint. Architecture mirrors the shell script feature set: - cmd/guardian: entry point, signal handling, main loop - internal/config: env var → typed Config (all AUTOHEAL_*/NOTIFY_* vars) - internal/docker: Docker API wrapper (containers, events, inspect) - internal/guardian: core loop, unhealthy restart, dependency recovery, guards - internal/notify: multi-service dispatcher (gotify, discord, slack, etc.) - internal/logging: structured JSON logging via log/slog - internal/metrics: Prometheus endpoint placeholder Uses github.com/moby/moby client library. Requires Go 1.24+. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Fix nil Filters panic (make(client.Filters) instead of zero-value), switch operational logs from slog to fmt.Printf for test-compatible output, add per-cycle caching for orchestration events and backup status, fix URL encoding in sendForm, create multi-stage Go Dockerfile. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
CI now runs: go build, golangci-lint, go test -race before acceptance tests. Unit tests cover event resolution logic, env var parsing, service detection, and event filtering. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
Changes
New Go packages
cmd/guardian— entrypoint with signal handling, backward-compatCMD ["autoheal"]arginternal/config— env var loading with same defaults as shell versioninternal/docker— Docker API client (moby SDK), container listing, events, restart/startinternal/guardian— main monitoring loop: unhealthy restart, dependency orphan recovery, orchestration/backup/grace-period guards with per-cycle cachinginternal/notify— 10-service notification dispatcher (gotify, discord, slack, telegram, pushover, pushbullet, lunasea, webhook, apprise, email)internal/logging— slog-based structured loggerinternal/metrics— prometheus stub (placeholder)Key fixes during implementation
client.Filterszero value is nil map — all Docker API calls usemake(client.Filters).Add(...)fmt.Printfto stdout (not slog) for acceptance test grep compatibilitysendForm()usesurl.Values.Encode()instead of raw string concatenationCI
gojob: build, golangci-lint, unit tests (go test -race)Test plan
go build ./cmd/guardiancompiles cleangolangci-lint run ./...passesgo test -count=1 ./...— unit tests pass (config + notify)docker build -t docker-guardian .— image builds (23MB)🤖 Generated with Claude Code