commit 3d3dbd19f026206457012e019c927a8835a1c5ce Author: Eden Kirin Date: Wed Jan 10 16:46:17 2024 +0100 Golang api server diff --git a/api-server/Dockerfile b/api-server/Dockerfile new file mode 100644 index 0000000..bf76d03 --- /dev/null +++ b/api-server/Dockerfile @@ -0,0 +1,20 @@ +FROM golang:1.21-alpine + +# disable crosscompiling +ENV CGO_ENABLED=0 + +# compile linux only +ENV GOOS=linux + +WORKDIR /app +COPY ./app . + +# fetch go libs and build the binary with debug information removed +RUN \ + go mod download && \ + go mod verify && \ + go build -v -ldflags "-s -w" -a -installsuffix cgo -o api-server ./main.go + +WORKDIR /app + +ENTRYPOINT ["/app/api-server"] diff --git a/api-server/Makefile b/api-server/Makefile new file mode 100644 index 0000000..cbbdebc --- /dev/null +++ b/api-server/Makefile @@ -0,0 +1,21 @@ +IMAGE_NAME=api-server +CONTAINER_NAME=api-server + +build: clean + @docker build \ + --progress=plain \ + --tag $(IMAGE_NAME) \ + . + +run: + @docker run \ + --name $(IMAGE_NAME) \ + --publish 3000:3000 \ + --env PORT=3000 \ + --env CONTAINER_NAME="Awesome API server" \ + $(CONTAINER_NAME) + +clean: + - @docker stop $(CONTAINER_NAME) + - @docker rm $(CONTAINER_NAME) + - @docker rmi $(IMAGE_NAME) diff --git a/api-server/app/Makefile b/api-server/app/Makefile new file mode 100644 index 0000000..f248ed2 --- /dev/null +++ b/api-server/app/Makefile @@ -0,0 +1,2 @@ +run: + @go run main.go diff --git a/api-server/app/go.mod b/api-server/app/go.mod new file mode 100644 index 0000000..de10c75 --- /dev/null +++ b/api-server/app/go.mod @@ -0,0 +1,32 @@ +module apiserver + +go 1.21.5 + +require github.com/gin-gonic/gin v1.9.1 + +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 +) diff --git a/api-server/app/go.sum b/api-server/app/go.sum new file mode 100644 index 0000000..1a77fa1 --- /dev/null +++ b/api-server/app/go.sum @@ -0,0 +1,86 @@ +github.com/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM= +github.com/bytedance/sonic v1.9.1 h1:6iJ6NqdoxCDr6mbY8h18oSO+cShGSMRGCEo7F2h0x8s= +github.com/bytedance/sonic v1.9.1/go.mod h1:i736AoUSYt75HyZLoJW9ERYxcy6eaN6h4BZXU064P/U= +github.com/chenzhuoyu/base64x v0.0.0-20211019084208-fb5309c8db06/go.mod h1:DH46F32mSOjUmXrMHnKwZdA8wcEefY7UVqBKYGjpdQY= +github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 h1:qSGYFH7+jGhDF8vLC+iwCD4WpbV1EBDSzWkJODFLams= +github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311/go.mod h1:b583jCggY9gE99b6G5LEC39OIiVsWj+R97kbl5odCEk= +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/gabriel-vasile/mimetype v1.4.2 h1:w5qFW6JKBz9Y393Y4q372O9A7cUSequkh1Q7OhCmWKU= +github.com/gabriel-vasile/mimetype v1.4.2/go.mod h1:zApsH/mKG4w07erKIaJPFiX0Tsq9BFQgN3qGY5GnNgA= +github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE= +github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI= +github.com/gin-gonic/gin v1.9.1 h1:4idEAncQnU5cB7BeOkPtxjfCSye0AAm1R0RVIqJ+Jmg= +github.com/gin-gonic/gin v1.9.1/go.mod h1:hPrL7YrpYKXt5YId3A/Tnip5kqbEAP+KLuI3SUcPTeU= +github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s= +github.com/go-playground/assert/v2 v2.2.0/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4= +github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA= +github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY= 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h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM= +github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo= +github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg= +github.com/klauspost/cpuid/v2 v2.2.4 h1:acbojRNwl3o09bUq+yDCtZFc1aiwaAAxtcn8YkZXnvk= +github.com/klauspost/cpuid/v2 v2.2.4/go.mod h1:RVVoqg1df56z8g3pUjL/3lE5UfnlrJX8tyFgg4nqhuY= +github.com/leodido/go-urn v1.2.4 h1:XlAE/cm/ms7TE/VMVoduSpNBoyc2dOxHs5MZSwAN63Q= +github.com/leodido/go-urn v1.2.4/go.mod h1:7ZrI8mTSeBSHl/UaRyKQW1qZeMgak41ANeCNaVckg+4= +github.com/mattn/go-isatty v0.0.19 h1:JITubQf0MOLdlGRuRq+jtsDlekdYPia9ZFsB8h/APPA= +github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y= +github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q= +github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg= 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h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= +gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4= diff --git a/api-server/app/main.go b/api-server/app/main.go new file mode 100644 index 0000000..9c5e888 --- /dev/null +++ b/api-server/app/main.go @@ -0,0 +1,77 @@ +package main + +import ( + "fmt" + "log" + "net/http" + "os" + + "github.com/gin-gonic/gin" +) + +const ADDRESS = "0.0.0.0" +const PORT = "3000" +const LOG_FILE = "./log/api-server.log" + +var containerName string + +type HelloResponseDto struct { + Message string `json:"message"` +} + +func handleHello(ctx *gin.Context) { + log.Println("Request received to handleHello") + ctx.JSON( + http.StatusOK, + HelloResponseDto{ + Message: fmt.Sprintf("Hello world from %s", containerName), + }, + ) +} + +func openLogFile(path string) (*os.File, error) { + logFile, err := os.OpenFile(path, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0644) + if err != nil { + return nil, err + } + return logFile, nil +} + +func initLogging() { + file, err := openLogFile(LOG_FILE) + if err != nil { + log.Fatal(err) + } + log.SetOutput(file) + log.SetFlags(log.LstdFlags | log.Lshortfile | log.Lmicroseconds) +} + +func main() { + // get container name from environment + containerName = os.Getenv("CONTAINER_NAME") + if len(containerName) == 0 { + containerName = "Unknown" + } + + // get port from environment + port := os.Getenv("PORT") + if len(port) == 0 { + port = PORT + } + + initLogging() + + serverAddr := fmt.Sprintf("%s:%s", ADDRESS, port) + + // init gin + gin.SetMode(gin.ReleaseMode) + router := gin.Default() + router.GET("/hello", handleHello) + + msg := fmt.Sprintf("Running server on %s as %s", serverAddr, containerName) + log.Println(msg) + fmt.Printf("%s\n", msg) + + // finally, start server + router.Run(serverAddr) +}