first commit

.funcignore

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+
+# Use the .funcignore file to exclude files which should not be
+# tracked in the image build. To instruct the system not to track
+# files in the image build, add the regex pattern or file information
+# to this file.

.gitignore

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+
+# Functions use the .func directory for local runtime data which should
+# generally not be tracked in source control. To instruct the system to track
+# .func in source control, comment the following line (prefix it with '# ').
+/.func

func.yaml

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+specVersion: 0.35.0
+name: hello
+runtime: go
+created: 2023-12-07T19:54:11.056629+01:00

go.mod

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+module function
+
+go 1.14

handle.go

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+package function
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"strings"
+)
+
+// Handle an HTTP Request.
+func Handle(ctx context.Context, res http.ResponseWriter, req *http.Request) {
+	/*
+	 * YOUR CODE HERE
+	 *
+	 * Try running `go test`.  Add more test as you code in `handle_test.go`.
+	 */
+
+	fmt.Println("Received request")
+	fmt.Println(prettyPrint(req))      // echo to local output
+	fmt.Fprintf(res, prettyPrint(req)) // echo to caller
+}
+
+func prettyPrint(req *http.Request) string {
+	b := &strings.Builder{}
+	fmt.Fprintf(b, "%v %v %v %v\n", req.Method, req.URL, req.Proto, req.Host)
+	for k, vv := range req.Header {
+		for _, v := range vv {
+			fmt.Fprintf(b, "  %v: %v\n", k, v)
+		}
+	}
+
+	if req.Method == "POST" {
+		req.ParseForm()
+		fmt.Fprintln(b, "Body:")
+		for k, v := range req.Form {
+			fmt.Fprintf(b, "  %v: %v\n", k, v)
+		}
+	}
+
+	return b.String()
+}

handle_test.go

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+package function
+
+import (
+	"context"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+)
+
+// TestHandle ensures that Handle executes without error and returns the
+// HTTP 200 status code indicating no errors.
+func TestHandle(t *testing.T) {
+	var (
+		w   = httptest.NewRecorder()
+		req = httptest.NewRequest("GET", "http://example.com/test", nil)
+		res *http.Response
+	)
+
+	Handle(context.Background(), w, req)
+	res = w.Result()
+	defer res.Body.Close()
+
+	if res.StatusCode != 200 {
+		t.Fatalf("unexpected response code: %v", res.StatusCode)
+	}
+}