init

fc.toml

@@ -0,0 +1,26 @@
+app = "golang-buildpack-app-sample"
+region = "asia-south1"
+handler = ""
+
+[build]
+  buildpack_builder = "paketobuildpacks/builder-jammy-base"
+  buildpacks = ["paketo-buildpacks/go"]
+  ignorefile = ".gitignore"
+  [build.args]
+    foo = "bar"
+
+[env]
+  FOO = "BAR"
+
+[http_service]
+  internal_port = 3000
+
+  [[http_service.checks]]
+    interval = "1m21s"
+    timeout = "7s"
+    grace_period = "2s"
+    method = "GET"
+    path = "/"
+    protocol = "http"
+    [http_service.checks.headers]
+      My-Custom-Header = "whatever"

go.mod

@@ -0,0 +1,3 @@
+module golang-buildpack-app-sample
+
+go 1.21.5

main.go

@@ -0,0 +1,19 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+)
+
+func handler(w http.ResponseWriter, r *http.Request) {
+	fmt.Fprintf(w, "Hello World!")
+}
+
+func main() {
+	// Register the handler function to handle requests to "/"
+	http.HandleFunc("/", handler)
+
+	// Start the HTTP server on port 3000
+	fmt.Println("Example app listening on port 3000!")
+	http.ListenAndServe(":3000", nil)
+}