bump to use alpine3.19 (#28594)

Dockerfile

@@ -1,5 +1,5 @@
 # Build stage
-FROM docker.io/library/golang:1.21-alpine3.18 AS build-env
+FROM docker.io/library/golang:1.21-alpine3.19 AS build-env
 
 ARG GOPROXY
 ENV GOPROXY ${GOPROXY:-direct}
@@ -41,7 +41,7 @@ RUN chmod 755 /tmp/local/usr/bin/entrypoint \
               /go/src/code.gitea.io/gitea/environment-to-ini
 RUN chmod 644 /go/src/code.gitea.io/gitea/contrib/autocompletion/bash_autocomplete
 
-FROM docker.io/library/alpine:3.18
+FROM docker.io/library/alpine:3.19
 LABEL maintainer="maintainers@gitea.io"
 
 EXPOSE 22 3000

Dockerfile.rootless

@@ -1,5 +1,5 @@
 # Build stage
-FROM docker.io/library/golang:1.21-alpine3.18 AS build-env
+FROM docker.io/library/golang:1.21-alpine3.19 AS build-env
 
 ARG GOPROXY
 ENV GOPROXY ${GOPROXY:-direct}
@@ -39,7 +39,7 @@ RUN chmod 755 /tmp/local/usr/local/bin/docker-entrypoint.sh \
               /go/src/code.gitea.io/gitea/environment-to-ini
 RUN chmod 644 /go/src/code.gitea.io/gitea/contrib/autocompletion/bash_autocomplete
 
-FROM docker.io/library/alpine:3.18
+FROM docker.io/library/alpine:3.19
 LABEL maintainer="maintainers@gitea.io"
 
 EXPOSE 2222 3000

routers/web/admin/diagnosis.go

@@ -58,4 +58,11 @@ func MonitorDiagnosis(ctx *context.Context) {
 		return
 	}
 	_ = pprof.Lookup("goroutine").WriteTo(f, 1)
+
+	f, err = zipWriter.CreateHeader(&zip.FileHeader{Name: "heap.dat", Method: zip.Deflate, Modified: time.Now()})
+	if err != nil {
+		ctx.ServerError("Failed to create zip file", err)
+		return
+	}
+	_ = pprof.Lookup("heap").WriteTo(f, 0)
 }