[WIP] Add Go impl of todos api

src/BenchmarksApps/go-gin/TodosApi/go.mod

@@ -0,0 +1,35 @@
+module TodosApi
+
+go 1.20
+
+require (
+	github.com/gin-gonic/gin v1.9.1
+	github.com/lib/pq v1.10.9
+)
+
+require (
+	github.com/bytedance/sonic v1.9.1 // indirect
+	github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.2 // indirect
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.14.0 // indirect
+	github.com/goccy/go-json v0.10.2 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.4 // indirect
+	github.com/leodido/go-urn v1.2.4 // indirect
+	github.com/mattn/go-isatty v0.0.19 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pelletier/go-toml/v2 v2.0.8 // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.2.11 // indirect
+	golang.org/x/arch v0.3.0 // indirect
+	golang.org/x/crypto v0.9.0 // indirect
+	golang.org/x/net v0.10.0 // indirect
+	golang.org/x/sys v0.8.0 // indirect
+	golang.org/x/text v0.9.0 // indirect
+	google.golang.org/protobuf v1.30.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)

src/BenchmarksApps/go-gin/TodosApi/go.sum

@@ -0,0 +1,87 @@
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src/BenchmarksApps/go-gin/TodosApi/main.go

@@ -0,0 +1,42 @@
+package main
+
+import (
+	"database/sql"
+	"log"
+	"net/http"
+	"os"
+
+	_ "github.com/lib/pq"
+
+	"github.com/gin-gonic/gin"
+)
+
+func main() {
+	connStr := os.Getenv("DATABASE_CONNECTION")
+	listenAddr := os.Getenv("LISTEN_ADDRESS")
+
+	if connStr == "" {
+		log.Fatalln("DATABASE_CONNECTION environment variable not set")
+	}
+
+	if listenAddr == "" {
+		listenAddr = ":8080"
+	}
+
+	db, err := sql.Open("postgres", connStr)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	todoapi := &todoapi{db}
+
+	router := gin.Default()
+
+	router.GET("/favicon.ico", func(c *gin.Context) {
+		c.String(http.StatusNotFound, "")
+	})
+
+	todoapi.MapTodoApi(router)
+
+	router.Run(listenAddr)
+}