From 129faffb200a1bc47eb3574f8205dd6c28e9c228 Mon Sep 17 00:00:00 2001
From: Julian Nonino <noninojulian@gmail.com>
Date: Wed, 29 Oct 2025 00:00:53 +0000
Subject: [PATCH] Add server written in Golang

---
 Dockerfile  | 17 ++++++++++++++---
 src/go.mod  |  3 +++
 src/main.go | 28 ++++++++++++++++++++++++++++
 3 files changed, 45 insertions(+), 3 deletions(-)
 create mode 100644 src/go.mod
 create mode 100644 src/main.go

diff --git a/Dockerfile b/Dockerfile
index 95bb85e..704cfec 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,6 +2,13 @@
 FROM hashicorp/terraform:1.13 AS terraform
 FROM fullstorydev/grpcurl:v1.9.3 AS grpcurl
 
+#################
+# Build Go Binary
+FROM golang:1.25-alpine3.21 AS build
+WORKDIR /app
+COPY src/ .
+RUN go build -o toolbox
+
 #######
 # Image
 FROM debian:13-slim
@@ -10,10 +17,8 @@ LABEL maintainer="Julian Nonino <noninojulian@gmail.com>"
 # Args
 ARG TARGETARCH
 
-# Copy Terraform Binary
+# Copy dependencies
 COPY --from=terraform /bin/terraform /bin/terraform
-
-# Copy gRPCurl Binary
 COPY --from=grpcurl /bin/grpcurl /bin/grpcurl
 
 # Install Tools
@@ -30,3 +35,9 @@ ENV KUBECTL_VERSION=v1.34.0
 RUN curl -o /tmp/kubectl -LO "https://dl.k8s.io/release/${KUBECTL_VERSION}/bin/linux/${ARCH}/kubectl" && \
     install -o root -g root -m 0755 /tmp/kubectl /bin/kubectl && \
     rm /tmp/kubectl
+
+# Run the server
+WORKDIR /app
+COPY --from=build /app/toolbox /bin/toolbox
+EXPOSE 8080
+CMD ["/bin/toolbox"]
diff --git a/src/go.mod b/src/go.mod
new file mode 100644
index 0000000..ac46f81
--- /dev/null
+++ b/src/go.mod
@@ -0,0 +1,3 @@
+module toolbox
+
+go 1.25
diff --git a/src/main.go b/src/main.go
new file mode 100644
index 0000000..c93c235
--- /dev/null
+++ b/src/main.go
@@ -0,0 +1,28 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+	"os"
+)
+
+func main() {
+	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		host, _ := os.Hostname()
+		fmt.Fprintf(w, "<h1>Hostname: %s<h1>", host)
+	})
+
+	http.HandleFunc("/exitWithError", func(w http.ResponseWriter, r *http.Request) {
+		fmt.Fprint(w, "Exit with Error")
+		os.Exit(1)
+	})
+
+	http.HandleFunc("/exitSuccess", func(w http.ResponseWriter, r *http.Request) {
+		fmt.Fprint(w, "Exit Successfully")
+		os.Exit(0)
+	})
+
+	log.Println("Server is running at http://localhost:8080")
+	log.Fatal(http.ListenAndServe(":8080", nil))
+}