Merge branch 'release/0.0.1'

.version

@@ -0,0 +1 @@
+0.0.1

practice/01-prepare-codebase/.gitignore

@@ -0,0 +1 @@
+app

practice/01-prepare-codebase/.pre-commit-config.yaml

@@ -0,0 +1,6 @@
+-   repo: git://github.com/dnephin/pre-commit-golang
+    sha: 471a7c123ea7a3b776ff018edf00066947873a94
+    hooks:
+    -   id: go-fmt
+    -   id: go-vet
+    -   id: go-lint

practice/02-simpliest-service/.gitignore

@@ -0,0 +1,2 @@
+app
+

practice/02-simpliest-service/.pre-commit-config.yaml

@@ -0,0 +1,6 @@
+-   repo: git://github.com/dnephin/pre-commit-golang
+    sha: 471a7c123ea7a3b776ff018edf00066947873a94
+    hooks:
+    -   id: go-fmt
+    -   id: go-vet
+    -   id: go-lint

practice/02-simpliest-service/handlers.go

@@ -0,0 +1,11 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+)
+
+// home returns the path of current request
+func home(w http.ResponseWriter, r *http.Request) {
+	fmt.Fprintf(w, "Processing URL %s...\n", r.URL.Path)
+}

practice/02-simpliest-service/main.go

@@ -0,0 +1,12 @@
+package main
+
+import (
+	"net/http"
+)
+
+// Run server: go build -o app && ./app
+// Try requests: curl http://127.0.0.1:8000/any
+func main() {
+	http.HandleFunc("/", home)
+	http.ListenAndServe(":8000", nil)
+}

practice/03-router/.gitignore

@@ -0,0 +1,2 @@
+app
+

practice/03-router/.pre-commit-config.yaml

@@ -0,0 +1,6 @@
+-   repo: git://github.com/dnephin/pre-commit-golang
+    sha: 471a7c123ea7a3b776ff018edf00066947873a94
+    hooks:
+    -   id: go-fmt
+    -   id: go-vet
+    -   id: go-lint

practice/03-router/handlers.go

@@ -0,0 +1,13 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+
+	"github.com/julienschmidt/httprouter"
+)
+
+// home returns the path of current request
+func home(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
+	fmt.Fprintf(w, "Processing URL %s...\n", r.URL.Path)
+}

practice/03-router/main.go

@@ -0,0 +1,16 @@
+package main
+
+import (
+	"net/http"
+
+	"github.com/julienschmidt/httprouter"
+)
+
+// Run server: go build -o app && ./app
+// Try requests: curl http://127.0.0.1:8000/
+func main() {
+	router := httprouter.New()
+	router.GET("/", home)
+
+	http.ListenAndServe(":8000", router)
+}

practice/04-tests/.gitignore

@@ -0,0 +1,2 @@
+app
+

practice/04-tests/.pre-commit-config.yaml

@@ -0,0 +1,6 @@
+-   repo: git://github.com/dnephin/pre-commit-golang
+    sha: 471a7c123ea7a3b776ff018edf00066947873a94
+    hooks:
+    -   id: go-fmt
+    -   id: go-vet
+    -   id: go-lint

practice/04-tests/handlers.go

@@ -0,0 +1,13 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+
+	"github.com/julienschmidt/httprouter"
+)
+
+// home returns the path of current request
+func home(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
+	fmt.Fprintf(w, "Processing URL %s...\n", r.URL.Path)
+}

practice/04-tests/handlers_test.go

@@ -0,0 +1,42 @@
+package main
+
+import (
+	"io/ioutil"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"github.com/julienschmidt/httprouter"
+)
+
+// TestHandler is the simplest test: check home (/) URL
+// go test
+func TestHandler(t *testing.T) {
+	router := httprouter.New()
+	router.GET("/", home)
+
+	ts := httptest.NewServer(router)
+	defer ts.Close()
+
+	res, err := http.Get(ts.URL + "/")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	greeting, err := ioutil.ReadAll(res.Body)
+	res.Body.Close()
+
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	expectedGreeting := "Processing URL /..."
+	testingGreeting := strings.Trim(string(greeting), " \n")
+	if testingGreeting != expectedGreeting {
+		t.Fatalf(
+			"Wrong greeting '%s', expected '%s'",
+			testingGreeting, expectedGreeting,
+		)
+	}
+}

practice/04-tests/main.go

@@ -0,0 +1,16 @@
+package main
+
+import (
+	"net/http"
+
+	"github.com/julienschmidt/httprouter"
+)
+
+// Run server: go build -o app && ./app
+// Try requests: curl http://127.0.0.1:8000/
+func main() {
+	router := httprouter.New()
+	router.GET("/", home)
+
+	http.ListenAndServe(":8000", router)
+}

practice/05-logger/.gitignore

@@ -0,0 +1,2 @@
+app
+

practice/05-logger/.pre-commit-config.yaml

@@ -0,0 +1,6 @@
+-   repo: git://github.com/dnephin/pre-commit-golang
+    sha: 471a7c123ea7a3b776ff018edf00066947873a94
+    hooks:
+    -   id: go-fmt
+    -   id: go-vet
+    -   id: go-lint

practice/05-logger/handlers.go

@@ -0,0 +1,14 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+
+	"github.com/julienschmidt/httprouter"
+)
+
+// home returns the path of current request
+func home(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
+	log.Info("Request received.")
+	fmt.Fprintf(w, "Processing URL %s...\n", r.URL.Path)
+}

practice/05-logger/handlers_test.go

@@ -0,0 +1,42 @@
+package main
+
+import (
+	"io/ioutil"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"github.com/julienschmidt/httprouter"
+)
+
+// TestHandler is the simplest test: check home (/) URL
+// go test
+func TestHandler(t *testing.T) {
+	router := httprouter.New()
+	router.GET("/", home)
+
+	ts := httptest.NewServer(router)
+	defer ts.Close()
+
+	res, err := http.Get(ts.URL + "/")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	greeting, err := ioutil.ReadAll(res.Body)
+	res.Body.Close()
+
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	expectedGreeting := "Processing URL /..."
+	testingGreeting := strings.Trim(string(greeting), " \n")
+	if testingGreeting != expectedGreeting {
+		t.Fatalf(
+			"Wrong greeting '%s', expected '%s'",
+			testingGreeting, expectedGreeting,
+		)
+	}
+}

practice/05-logger/main.go

@@ -0,0 +1,22 @@
+package main
+
+import (
+	"net/http"
+
+	"github.com/Sirupsen/logrus"
+	"github.com/julienschmidt/httprouter"
+)
+
+var log = logrus.New()
+
+// Run server: go build -o app && ./app
+// Try requests: curl http://127.0.0.1:8000/
+func main() {
+	log.Info("Initialize service...")
+
+	router := httprouter.New()
+	router.GET("/", home)
+
+	log.Info("Service is ready to listen and serve.")
+	http.ListenAndServe(":8000", router)
+}

practice/06-dependencies/.gitignore

@@ -0,0 +1,2 @@
+app
+

practice/06-dependencies/.pre-commit-config.yaml

@@ -0,0 +1,6 @@
+-   repo: git://github.com/dnephin/pre-commit-golang
+    sha: 471a7c123ea7a3b776ff018edf00066947873a94
+    hooks:
+    -   id: go-fmt
+    -   id: go-vet
+    -   id: go-lint

practice/06-dependencies/handlers.go

@@ -0,0 +1,14 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+
+	"github.com/julienschmidt/httprouter"
+)
+
+// home returns the path of current request
+func home(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
+	log.Info("Request received.")
+	fmt.Fprintf(w, "Processing URL %s...\n", r.URL.Path)
+}

practice/06-dependencies/handlers_test.go

@@ -0,0 +1,42 @@
+package main
+
+import (
+	"io/ioutil"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"github.com/julienschmidt/httprouter"
+)
+
+// TestHandler is the simplest test: check home (/) URL
+// go test
+func TestHandler(t *testing.T) {
+	router := httprouter.New()
+	router.GET("/", home)
+
+	ts := httptest.NewServer(router)
+	defer ts.Close()
+
+	res, err := http.Get(ts.URL + "/")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	greeting, err := ioutil.ReadAll(res.Body)
+	res.Body.Close()
+
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	expectedGreeting := "Processing URL /..."
+	testingGreeting := strings.Trim(string(greeting), " \n")
+	if testingGreeting != expectedGreeting {
+		t.Fatalf(
+			"Wrong greeting '%s', expected '%s'",
+			testingGreeting, expectedGreeting,
+		)
+	}
+}

practice/06-dependencies/main.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"net/http"
+
+	"github.com/Sirupsen/logrus"
+	"github.com/julienschmidt/httprouter"
+)
+
+var log = logrus.New()
+
+// Prepare vendoring config: glide init; glide install
+
+// Run server: go build -o app && ./app
+// Try requests: curl http://127.0.0.1:8000/
+func main() {
+	log.Info("Initialize service...")
+
+	router := httprouter.New()
+	router.GET("/", home)
+
+	log.Info("Service is ready to listen and serve.")
+	http.ListenAndServe(":8000", router)
+}

practice/07-config/.gitignore

@@ -0,0 +1,2 @@
+app
+vendor

practice/07-config/.pre-commit-config.yaml

@@ -0,0 +1,6 @@
+-   repo: git://github.com/dnephin/pre-commit-golang
+    sha: 471a7c123ea7a3b776ff018edf00066947873a94
+    hooks:
+    -   id: go-fmt
+    -   id: go-vet
+    -   id: go-lint

practice/07-config/glide.yaml

@@ -0,0 +1,6 @@
+package: github.com/rumyantseva/production-ready-microservices/practice/07-config
+import:
+- package: github.com/Sirupsen/logrus
+  version: ^1.0.2
+- package: github.com/julienschmidt/httprouter
+  version: ^1.1.0

practice/07-config/handlers.go

@@ -0,0 +1,14 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+
+	"github.com/julienschmidt/httprouter"
+)
+
+// home returns the path of current request
+func home(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
+	log.Info("Request received.")
+	fmt.Fprintf(w, "Processing URL %s...\n", r.URL.Path)
+}