v1.0.3 — ревью Соннета: SSRF fix, go.sum, readyz, sort, graceful shutdown, gofmt

Dockerfile

@@ -6,8 +6,10 @@
 FROM golang:1.24-alpine AS builder
 ENV GOTOOLCHAIN=auto
 WORKDIR /app
+COPY server/go.mod server/go.sum ./
+RUN go mod download
 COPY server/ .
-RUN go mod init tf-registry && go mod tidy && CGO_ENABLED=0 go build -o registry .
+RUN CGO_ENABLED=0 go build -o registry .
 
 FROM alpine:3.21
 RUN apk --no-cache add ca-certificates