try to optimize the binary using UPX

Makefile

@@ -5,7 +5,10 @@ build:
 	rm -rf pokedex*
 	swag init
 	protoc -I=./ --go_out=../ ./pokemon/pokemon.proto
-	go build
-
+	go build pokedex
 
+optimize:
+	go build -ldflags "-s -w" pokedex
+	upx pokedex
 
+prod: build optimize

README.md

@@ -9,10 +9,19 @@ A simple Go-powered REST API kata.
 
 ## Protobuf
 
+Why? Separation of concerns; do not expose database/domain internals. Structs in `pokemon.go` should not leave the package. The `.proto` file serve as the official "contracts".
+
 - JSON mapping: https://protobuf.dev/programming-guides/proto3/#json
+- `Pokemons` as object with `entries` is ugly but see https://github.com/golang/protobuf/issues/675 - no way to convert a slice to a protobuf message... 
 
 ## Swagger
 
 - Exposed at `http://localhost:8080/docs`
 - Regenerate with `swag init`, see https://github.com/swaggo/http-swagger
-- Annotation format: see https://github.com/swaggo/swag
+- Annotation format: see https://github.com/swaggo/swag
+
+## Optimizing the binary
+
+See `Makefile`; use https://upx.github.io/ to package after stripping some debug info. 
+
+Somehow doesn't work on OSX (process killed)?

main.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"fmt"
 	"github.com/swaggo/http-swagger"
 	"gorm.io/driver/sqlite"
 	"gorm.io/gorm"
@@ -40,5 +41,6 @@ func main() {
 	http.HandleFunc("GET /docs/", httpSwagger.Handler(
 		httpSwagger.URL("http://localhost:8080/docs/doc.json"), //The url pointing to API definition
 	))
+	fmt.Println("Pokedex server started @ http://localhost:8080")
 	http.ListenAndServe(":8080", nil)
 }