chore: add kube manifests and revert using echo

Taskfile.yaml

@@ -0,0 +1,26 @@
+# https://taskfile.dev
+
+version: '3'
+
+dotenv:
+  - .env
+
+tasks:
+  clean:
+    cmds:
+      - git reset --soft HEAD~1
+      - git tag --delete v0.0.100-next
+    silent: true
+    ignore_error: true
+  tag:
+    cmds:
+      - git add .
+      - git commit -a -m "test and check for kos"
+      - git tag -a v0.0.100-next -m "test and check for kos"
+    silent: true
+  release:
+    cmds:
+      - ./goreleaser release --clean --debug
+    deps:
+      - clean
+      - tag

config/serverfull/deployment.yaml

@@ -0,0 +1,24 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: hello-world
+spec:
+  selector:
+    matchLabels:
+      app: hello-world
+  template:
+    metadata:
+      labels:
+        app: hello-world
+    spec:
+      serviceAccountName: hello-world
+      containers:
+      - name: hello-world
+        image: docker.io/kameshsampath/go-hello-world
+        resources:
+          limits:
+            memory: "50Mi"
+            cpu: "50m"
+        ports:
+        - containerPort: 8080
+          name: http

config/serverfull/kustomization.yaml

@@ -0,0 +1,4 @@
+resources:
+- sa.yaml
+- service.yaml
+- deployment.yaml

config/serverfull/sa.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: hello-world

config/serverfull/service.yaml

@@ -0,0 +1,10 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: hello-world
+spec:
+  selector:
+    app: hello-world
+  ports:
+  - port: 8080
+    targetPort: http

config/serverless/kustomization.yaml

@@ -0,0 +1,3 @@
+resources:
+- sa.yaml
+- service.yaml

config/serverless/sa.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: hello-world

config/serverless/service.yaml

@@ -0,0 +1,13 @@
+apiVersion: serving.knative.dev/v1
+kind: Service
+metadata:
+  name: hello-world
+spec:
+  template:
+    spec:
+      serviceAccountName: hello-world
+      containers:
+        - image: docker.io/kameshsampath/go-hello-world
+          env:
+            - name: GREETING_PREFIX 
+              value: "Hello"

go.mod

@@ -3,12 +3,14 @@ module github.com/kameshsampath/go-hello-world
 go 1.18
 
 require (
+	github.com/caarlos0/env/v7 v7.0.0
 	github.com/labstack/echo/v4 v4.7.2
 	github.com/stretchr/testify v1.7.0
 )
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/golang-jwt/jwt v3.2.2+incompatible // indirect
 	github.com/labstack/gommon v0.3.1 // indirect
 	github.com/mattn/go-colorable v0.1.11 // indirect
 	github.com/mattn/go-isatty v0.0.14 // indirect
@@ -19,5 +21,6 @@ require (
 	golang.org/x/net v0.0.0-20211015210444-4f30a5c0130f // indirect
 	golang.org/x/sys v0.0.0-20211103235746-7861aae1554b // indirect
 	golang.org/x/text v0.3.7 // indirect
+	golang.org/x/time v0.0.0-20201208040808-7e3f01d25324 // indirect
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
 )

go.sum

@@ -1,6 +1,10 @@
+github.com/caarlos0/env/v7 v7.0.0 h1:cyczlTd/zREwSr9ch/mwaDl7Hse7kJuUY8hvHfXu5WI=
+github.com/caarlos0/env/v7 v7.0.0/go.mod h1:LPPWniDUq4JaO6Q41vtlyikhMknqymCLBw0eX4dcH1E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/golang-jwt/jwt v3.2.2+incompatible h1:IfV12K8xAKAnZqdXVzCZ+TOjboZ2keLg81eXfW3O+oY=
+github.com/golang-jwt/jwt v3.2.2+incompatible/go.mod h1:8pz2t5EyA70fFQQSrl6XZXzqecmYZeUEB8OUGHkxJ+I=
 github.com/labstack/echo/v4 v4.7.2 h1:Kv2/p8OaQ+M6Ex4eGimg9b9e6icoxA42JSlOR3msKtI=
 github.com/labstack/echo/v4 v4.7.2/go.mod h1:xkCDAdFCIf8jsFQ5NnbK7oqaF/yU1A1X20Ltm0OvSks=
 github.com/labstack/gommon v0.3.1 h1:OomWaJXm7xR6L1HmEtGyQf26TEn7V6X88mktX9kee9o=
@@ -28,6 +32,8 @@ golang.org/x/sys v0.0.0-20211103235746-7861aae1554b h1:1VkfZQv42XQlA/jchYumAnv1U
 golang.org/x/sys v0.0.0-20211103235746-7861aae1554b/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/time v0.0.0-20201208040808-7e3f01d25324 h1:Hir2P/De0WpUhtrKGGjvSb2YxUgyZ7EFOSLIcSSpiwE=
+golang.org/x/time v0.0.0-20201208040808-7e3f01d25324/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

server.go

@@ -1,20 +1,41 @@
 package main
 
 import (
+	"fmt"
 	"net/http"
 
+	"github.com/caarlos0/env/v7"
 	"github.com/labstack/echo/v4"
+	"github.com/labstack/echo/v4/middleware"
 )
 
-const greeting = "Hello, World!"
+type Greeting struct {
+	Prefix  string `env:"GREETING_PREFIX" envDefault:"Hello"`
+	Name    string `query:"name"`
+	Message string
+}
 
 func main() {
 	e := echo.New()
-
+	e.Use(middleware.Logger())
+	e.Use(middleware.Recover())
 	e.GET("/", sayHello)
 	e.Logger.Fatal(e.Start(":8080"))
 }
 
 func sayHello(c echo.Context) error {
-	return c.String(http.StatusOK, greeting)
+	var greeting Greeting
+	err := env.Parse(&greeting)
+	if err != nil {
+		return err
+	}
+
+	err = c.Bind(&greeting)
+	if err != nil {
+		greeting.Name = "Anonymous"
+	}
+
+	greeting.Message = fmt.Sprintf("%s,%s", greeting.Prefix, greeting.Name)
+
+	return c.JSON(http.StatusOK, greeting)
 }