Phase 0 : module Go, Docker et docker-compose

Dockerfile

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+# Versions d'images épinglées (mêmes bases que Logstream) : à mettre à jour volontairement.
+
+# ---- Build ----
+FROM golang:1.27.1-alpine3.24 AS build
+WORKDIR /src
+COPY go.mod go.sum ./
+RUN go mod download
+COPY cmd ./cmd
+COPY internal ./internal
+ARG VERSION=dev
+RUN CGO_ENABLED=0 go build -trimpath -ldflags="-s -w -X main.version=${VERSION}" \
+    -o /out/pve-confsync ./cmd/pve-confsync
+
+# ---- Image finale ----
+FROM alpine:3.24.2
+RUN apk add --no-cache ca-certificates \
+ && adduser -D -H -u 10001 confsync \
+ && mkdir /data /config && chown confsync /data
+COPY --from=build /out/pve-confsync /usr/local/bin/pve-confsync
+USER confsync
+WORKDIR /data
+VOLUME /data
+ENV CONFSYNC_CONFIG=/config/confsync.yaml
+ENTRYPOINT ["/usr/local/bin/pve-confsync"]
+CMD ["check"]