feat: add Dockerfile

Dockerfile

@@ -0,0 +1,28 @@
+FROM golang:1.19-buster as builder
+
+# Create and change to the app directory.
+WORKDIR /app
+
+# Retrieve application dependencies.
+# This allows the container build to reuse cached dependencies.
+# Expecting to copy go.mod and if present go.sum.
+COPY go.* ./
+RUN go mod download
+
+# Copy local code to the container image.
+COPY . ./
+
+# Build the binary.
+RUN go build -v -o etl ./cmd/etl/main.go
+
+# Use the official Debian slim image for a lean production container.
+FROM debian:buster-slim
+RUN set -x && apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \
+    ca-certificates && \
+    rm -rf /var/lib/apt/lists/*
+
+# Copy the binary to the production image from the builder stage.
+COPY --from=builder /app/etl /app/etl
+
+# Run the web service on container startup.
+CMD ["/app/etl"]

cmd/server/main.go

@@ -42,19 +42,17 @@ func main() {
 	professionalRepo := employee_wi.NewRepo(employeeWICollection)
 
 	restServer := http.
-		NewRestServer(cfg).
+		NewRestServer(cfg, cr).
 		WithProfessionalHandler(services.NewEmployeeWIService(ctx, professionalRepo))
 
 	cr.MarkAndRestart("dependencies loaded")
+	log.Println(cfg)
 	go func() {
-		cr.Restart()
 		if err = restServer.Start(cfg.ApiPort, ""); err != nil {
 			log.Fatalln("restServer.Start", err)
 			cancel()
 		}
-		cr.MarkAndRestart("server up")
 	}()
-
 	<-ctx.Done()
 	restServer.Shutdown()
 	log.Println("gracefully shutdown")

internal/api/http/server.go

@@ -7,6 +7,7 @@ import (
 	"gitea.urkob.com/urko/ess-etl-go/config"
 	"gitea.urkob.com/urko/ess-etl-go/internal/api/http/handler"
 	"gitea.urkob.com/urko/ess-etl-go/internal/services"
+	"gitea.urkob.com/urko/ess-etl-go/pkg/crono"
 
 	"github.com/gofiber/fiber/v2"
 	"github.com/gofiber/fiber/v2/middleware/cors"
@@ -15,12 +16,14 @@ import (
 type restServer struct {
 	app           *fiber.App
 	cfg           *config.Config
+	cr            *crono.Crono
 	employeeWIHdl *handler.EmployeeWorkInformationHandler
 }
 
-func NewRestServer(cfg *config.Config) *restServer {
+func NewRestServer(cfg *config.Config, cr *crono.Crono) *restServer {
 	return &restServer{
 		cfg: cfg,
+		cr:  cr,
 	}
 }
 
@@ -42,10 +45,7 @@ func (s *restServer) Start(apiPort, bearerToken string) error {
 		return s.employeeWIHdl.Get(c)
 	})
 
-	s.app.Get("/employee_wi/:id", func(c *fiber.Ctx) error {
-		return s.employeeWIHdl.Get(c)
-	})
-
+	s.cr.MarkAndRestart("server up")
 	if err := s.app.Listen(":" + apiPort); err != nil {
 		return fmt.Errorf("app.Listen: %s", err)
 	}