go-container: ENV в Dockerfile, без хардкода в Go

Dockerfile

@@ -12,5 +12,13 @@ RUN go mod init tf-registry && go mod tidy && CGO_ENABLED=0 go build -o registry
 FROM alpine:3.21
 RUN apk --no-cache add ca-certificates
 COPY --from=builder /app/registry /registry
+
+# ── Non-secret defaults (change here → rebuild → push → redeploy) ─────────
+ENV S3_ENDPOINT=s3.msk-1.ngcloud.ru \
+    S3_BUCKET=terraform-registry \
+    S3_PREFIX=registry.kube5s.ru \
+    PORT=5000
+# ── Secrets go in UI jsonEnv: S3_ACCESS_KEY, S3_SECRET_KEY ─────────────────
+
 EXPOSE 5000
 CMD ["/registry"]

server/main.go

@@ -71,16 +71,11 @@ type GPGPublicKey struct {
 func main() {
 	// 1. Init S3 Connection
 	if hostname == "" {
-		hostname = "localhost:8080"
+		hostname = "localhost:5000"
 	}
-	// ── TEMPORARY HARDCODE ──────────────────────────────────────────────────
-	// S3 data is stored under old hostname prefix from the previous Go deploy.
-	// TODO: REMOVE after devops adds jsonEnv editing to containerk8s "modify".
-	//       Then read from ENV:  s3Prefix = os.Getenv("S3_PREFIX")
-	//       And set in UI jsonEnv:  "S3_PREFIX": "registry.kube5s.ru"
-	// ─────────────────────────────────────────────────────────────────────────
+	// S3_PREFIX default comes from Dockerfile ENV; override in jsonEnv if needed.
 	if s3Prefix == "" {
-		s3Prefix = "registry.kube5s.ru"
+		s3Prefix = hostname
 	}
 
 	endpoint := os.Getenv("S3_ENDPOINT")