add buldiffer and wait-for image

buildiffer/Dockerfile.multiarch

@@ -0,0 +1,18 @@
+FROM docker.io/golang:1.25-alpine3.22
+
+RUN go install github.com/bazelbuild/buildtools/[email protected]
+
+FROM docker.io/alpine:3.22
+
+LABEL maintainer="openCloud Team [email protected]" \
+  org.opencontainers.image.title="Bazel Buildifier" \
+  org.opencontainers.image.vendor="openCloud GmbH" \
+  org.opencontainers.image.authors="openCloud GmbH" \
+  org.opencontainers.image.description="Custom container with Bazel Buildifier" \
+  org.opencontainers.image.documentation="https://github.com/opencloud-eu/container-ci" \
+  org.opencontainers.image.url="https://github.com/opencloud-eu/container-ci" \
+  org.opencontainers.image.source="https://github.com/opencloud-eu/container-ci"
+
+COPY --from=0 /go/bin/buildifier /usr/bin/buildifier
+
+ENTRYPOINT ["buildifier"]

wait-for/Dockerfile.multiarch

@@ -0,0 +1,22 @@
+FROM docker.io/golang:1.25-alpine3.22 AS builder
+
+WORKDIR /app
+
+COPY go.mod main.go ./
+
+RUN go build -o wait-for .
+
+FROM alpine:3.22
+
+LABEL maintainer="openCloud Team [email protected]" \
+  org.opencontainers.image.description="Custom wait-for container" \
+  org.opencontainers.image.vendor="openCloud GmbH" \
+  org.opencontainers.image.authors="openCloud GmbH" \
+  org.opencontainers.image.title="openCloud CI wait-for" \
+  org.opencontainers.image.documentation="https://github.com/opencloud-eu/container-ci" \
+  org.opencontainers.image.url="https://github.com/opencloud-eu/container-ci" \
+  org.opencontainers.image.source="https://github.com/opencloud-eu/container-ci"
+
+COPY --from=builder /app/wait-for /usr/bin/wait-for
+
+ENTRYPOINT ["wait-for"]

wait-for/go.mod

@@ -0,0 +1,3 @@
+module wait-for
+
+go 1.25.5

wait-for/main.go

@@ -0,0 +1,48 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"net"
+	"os"
+	"time"
+)
+
+func main() {
+	var timeout int
+	var host, port string
+
+	flag.IntVar(&timeout, "timeout", 30, "Timeout in seconds")
+	flag.StringVar(&host, "host", "", "Host to wait for")
+	flag.StringVar(&port, "port", "", "Port to wait for")
+
+	flag.Parse()
+
+	if host == "" || port == "" {
+		fmt.Println("Usage: wait-for -host <host> -port <port> [-timeout <seconds>]")
+		os.Exit(1)
+	}
+
+	fmt.Printf("Waiting for %s:%s (timeout: %d seconds)\n", host, port, timeout)
+
+	address := fmt.Sprintf("%s:%s", host, port)
+
+	timeoutDuration := time.Duration(timeout) * time.Second
+	start := time.Now()
+
+	for {
+		conn, err := net.DialTimeout("tcp", address, 5*time.Second)
+		if err == nil {
+			conn.Close()
+			fmt.Printf("Service at %s:%s is available after %v\n", host, port, time.Since(start))
+			os.Exit(0)
+		}
+
+		if time.Since(start) > timeoutDuration {
+			fmt.Printf("Timeout after %d seconds waiting for %s:%s\n", timeout, host, port)
+			os.Exit(1)
+		}
+
+		time.Sleep(1 * time.Second)
+	}
+}