Merge pull request #562 from devlights/add-go-collective-example

Author: devlights

.gitpod.yml

@@ -5,6 +5,8 @@ tasks:
     init: go install honnef.co/go/tools/cmd/staticcheck@latest
   - name: install go-task
     init: go install github.com/go-task/task/v3/cmd/task@latest
+  - name: install goimport
+    init: go install golang.org/x/tools/cmd/goimports@latest
   - name: build app
     command: task build
 

examples/gocollective/retrive-values-from-url/Taskfile.yml

@@ -0,0 +1,15 @@
+version: '3'
+
+tasks:
+  imports:
+    cmds:
+      - goimports -w .
+  vet:
+    cmds:
+      - go vet .
+  run:
+    deps: [
+      imports, vet
+    ]
+    cmds:
+      - go run -race main.go

examples/gocollective/retrive-values-from-url/main.go

@@ -0,0 +1,48 @@
+// Stackoverflow Go Collective example
+//
+// How to retrieve values from URL
+//
+// URL
+//   - https://stackoverflow.com/questions/73079531/how-to-retrieve-values-from-the-url-in-go
+//
+// REFERENCES
+//   - https://pkg.go.dev/net/http@latest
+//   - https://stackoverflow.com/questions/39320025/how-to-stop-http-listenandserve
+package main
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"time"
+)
+
+func main() {
+	var (
+		mux      = http.NewServeMux()
+		srv      = &http.Server{Addr: ":8888", Handler: mux}
+		ctx, cxl = context.WithTimeout(context.Background(), 3*time.Second)
+	)
+	defer cxl()
+
+	mux.HandleFunc("/hello", func(w http.ResponseWriter, r *http.Request) {
+		query := r.URL.Query()
+		fmt.Println(query.Get("message"))
+	})
+
+	go func() {
+		srv.ListenAndServe()
+	}()
+
+	go func() {
+		for {
+			_, err := http.Get("http://localhost:8888/hello?message=world")
+			if err == nil {
+				break
+			}
+		}
+	}()
+
+	<-ctx.Done()
+	srv.Shutdown(ctx)
+}