refactor: move app entrypoint to ./cmd/server

Dockerfile

@@ -8,7 +8,7 @@ RUN go mod download
 
 COPY . .
 
-RUN CGO_ENABLED=0 GOOS=linux go build -o backoffice-api .
+RUN CGO_ENABLED=0 GOOS=linux go build -o server ./cmd/server
 
 FROM alpine:3.19
 
@@ -17,6 +17,6 @@ WORKDIR /app
 
 RUN apk add --no-cache ca-certificates
 
-COPY --from=builder /build/backoffice-api .
+COPY --from=builder /build/server .
 
-CMD ["/app/backoffice-api"]
+CMD ["/app/server"]

cmd/server/main.go

@@ -0,0 +1,15 @@
+package main
+
+import (
+	"log"
+	"time"
+)
+
+func main() {
+	log.Println("Starting backoffice-api server...")
+	log.Println("Simulating a running server...")
+	// do nothing, simulate a running server
+	for {
+		time.Sleep(1 * time.Second)
+	}
+}

main.go

@@ -1,10 +0,0 @@
-package main
-
-import "fmt"
-
-func main() {
-	fmt.Println("Hello from backoffice api")
-	for {
-		// do nothing, simulate a running server
-	}
-}