add sample api

Author: Buh13246

.github/workflows/build-image.yml

@@ -33,6 +33,11 @@ jobs:
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
 
+      - name: Build and push Docker image
+        run: |
+          docker build sample-api -t ${{env.REGISTRY}}/krassegorganisation/sample-api:latest
+          docker push ${{env.REGISTRY}}/krassegorganisation/sample-api:latest
+
       - name: Build and push Docker image
         run: |
           docker build blubb -t ${{env.REGISTRY}}/krassegorganisation/blubb:latest

sample-api/Dockerfile

@@ -0,0 +1,23 @@
+FROM golang:1.22-alpine as build
+
+
+WORKDIR /app
+
+COPY go.mod go.sum ./
+
+
+RUN go mod download
+
+COPY . .
+
+
+RUN GOOS=linux go build .
+
+FROM alpine:latest as runtime
+
+WORKDIR /app
+
+
+COPY --from=build /app/sample-api /app/sample-api
+
+CMD ["/app/sample-api"]

sample-api/db/entities/entry.go

@@ -0,0 +1,20 @@
+package entities
+
+import (
+	"encoding/json"
+
+	"gorm.io/gorm"
+)
+
+type Entry struct {
+	gorm.Model
+	Name string
+}
+
+func (e Entry) MarshalJSON() ([]byte, error) {
+	return json.Marshal(map[string]any{
+		"ID":        e.ID,
+		"Name":      e.Name,
+		"CreatedAt": e.CreatedAt,
+	})
+}

sample-api/db/init.go

@@ -0,0 +1,28 @@
+package db
+
+import (
+	"os"
+	"sample-api/db/entities"
+
+	"gorm.io/driver/mysql"
+	"gorm.io/gorm"
+)
+
+var DB *gorm.DB
+
+func Initialize() {
+	dsn := os.Getenv("DB_USER") + ":" + os.Getenv("DB_PASS") + "@tcp(" + os.Getenv("DB_HOST") + ":" + os.Getenv("DB_PORT") + ")/?charset=utf8mb4&parseTime=True&loc=Local"
+	db, err := gorm.Open(mysql.Open(dsn), &gorm.Config{})
+	if err != nil {
+		panic(err)
+	}
+
+	DB = db
+
+	DB.Exec("CREATE DATABASE IF NOT EXISTS sample")
+	DB.Exec("USE sample")
+
+	DB.AutoMigrate(
+		&entities.Entry{},
+	)
+}

sample-api/go.mod

@@ -0,0 +1,17 @@
+module sample-api
+
+go 1.22.2
+
+require (
+	github.com/joho/godotenv v1.5.1
+	gorm.io/gorm v1.25.9
+)
+
+require github.com/go-sql-driver/mysql v1.7.0 // indirect
+
+require (
+	github.com/goombaio/namegenerator v0.0.0-20181006234301-989e774b106e
+	github.com/jinzhu/inflection v1.0.0 // indirect
+	github.com/jinzhu/now v1.1.5 // indirect
+	gorm.io/driver/mysql v1.5.6
+)

sample-api/go.sum

@@ -0,0 +1,15 @@
+github.com/go-sql-driver/mysql v1.7.0 h1:ueSltNNllEqE3qcWBTD0iQd3IpL/6U+mJxLkazJ7YPc=
+github.com/go-sql-driver/mysql v1.7.0/go.mod h1:OXbVy3sEdcQ2Doequ6Z5BW6fXNQTmx+9S1MCJN5yJMI=
+github.com/goombaio/namegenerator v0.0.0-20181006234301-989e774b106e h1:XmA6L9IPRdUr28a+SK/oMchGgQy159wvzXA5tJ7l+40=
+github.com/goombaio/namegenerator v0.0.0-20181006234301-989e774b106e/go.mod h1:AFIo+02s+12CEg8Gzz9kzhCbmbq6JcKNrhHffCGA9z4=
+github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E=
+github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
+github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ=
+github.com/jinzhu/now v1.1.5/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
+github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
+github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
+gorm.io/driver/mysql v1.5.6 h1:Ld4mkIickM+EliaQZQx3uOJDJHtrd70MxAUqWqlx3Y8=
+gorm.io/driver/mysql v1.5.6/go.mod h1:sEtPWMiqiN1N1cMXoXmBbd8C6/l+TESwriotuRRpkDM=
+gorm.io/gorm v1.25.7/go.mod h1:hbnx/Oo0ChWMn1BIhpy1oYozzpM15i4YPuHDmfYtwg8=
+gorm.io/gorm v1.25.9 h1:wct0gxZIELDk8+ZqF/MVnHLkA1rvYlBWUMv2EdsK1g8=
+gorm.io/gorm v1.25.9/go.mod h1:hbnx/Oo0ChWMn1BIhpy1oYozzpM15i4YPuHDmfYtwg8=

sample-api/main.go

@@ -0,0 +1,76 @@
+package main
+
+import (
+	"encoding/json"
+	"log"
+	"net/http"
+	"os"
+	"sample-api/db"
+	"sample-api/db/entities"
+	"time"
+
+	"github.com/goombaio/namegenerator"
+	"github.com/joho/godotenv"
+)
+
+var nameGenerator namegenerator.Generator
+
+func main() {
+
+	godotenv.Load()
+
+	db.Initialize()
+
+	addr := os.Getenv("ADDR")
+	if addr == "" {
+		addr = ":80"
+	}
+
+	seed := time.Now().UTC().UnixNano()
+	nameGenerator = namegenerator.NewNameGenerator(seed)
+
+	http.HandleFunc("/", index)
+	http.HandleFunc("/list", listAllEntries)
+	http.HandleFunc("/create", createEntry)
+
+	log.Println("HTTP Server will start on " + addr)
+	err := http.ListenAndServe(addr, nil)
+	if err != nil {
+		log.Println("ERROR ON STARTUP")
+	}
+}
+
+func listAllEntries(w http.ResponseWriter, r *http.Request) {
+	entries := []entities.Entry{}
+	if err := db.DB.Find(&entries).Error; err != nil {
+		log.Println(err)
+	}
+
+	data, err := json.Marshal(entries)
+
+	if err != nil {
+		log.Println("ERROR", err)
+		w.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+
+	w.Write(data)
+}
+
+func createEntry(w http.ResponseWriter, r *http.Request) {
+	entry := entities.Entry{
+		Name: nameGenerator.Generate(),
+	}
+
+	if err := db.DB.Save(&entry).Error; err != nil {
+		log.Println(err)
+		w.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+
+	w.Write([]byte("Created Successfully"))
+}
+
+func index(w http.ResponseWriter, r *http.Request) {
+	w.Write([]byte(`<h1>Sample Application</h1><hr/><a href="/list">List all Persons</a><br /><a href="/create">Create a new Person</a>`))
+}