feat: add Dockerfile.dev + update Makefile

* this allows us to use a separate Dockerfile for debug builds
* new Makefile targets have been added and definitions have been
  somewhat simplified

Dockerfile.dev

@@ -0,0 +1,15 @@
+FROM mcr.microsoft.com/dotnet/core/sdk:2.1-alpine
+
+COPY . /src
+WORKDIR /src
+
+RUN sed -i 's/2.1.519/2.1.811/' global.json
+RUN dotnet --version && dotnet --info
+RUN dotnet clean
+RUN dotnet restore "pwt-0x01-ng.csproj"
+
+RUN dotnet build -c Debug
+
+ENV ASPNETCORE_ENVIRONMENT=Development
+
+ENTRYPOINT ["dotnet", "watch", "run", "--no-restore", "--urls", "http://0.0.0.0:5000"]

Makefile

@@ -1,24 +1,44 @@
-dockertag = netcoreultimapp
-localport = 8000
+dtag = netcoreultimapp
+dtagdev = netcoreultimapp-dev
+dfile = Dockerfile
+dfiledev = $(dfile).dev
+lport = 8000
+lportdev = 8001
+CC = dotnet
+
+dev: restore build run
 
 restore:
-	dotnet restore
+	$(CC) restore
 
 build:
-	dotnet run .
+	$(CC) build .
 
-dev: restore build
+run:
+	$(CC) run .
 
 releasebuild: clean restore
-	dotnet publish -c Release
+	$(CC) publish -c Release
 
 dockerbuild: releasebuild
-	docker build -t $(dockertag) -f Dockerfile .
+	docker build -t $(dtag) -f $(dfile) .
+
+dockerdevbuild:
+	docker build -t $(dtagdev) -f $(dfiledev) .
 
 dockerrun:
-	docker run -p $(localport):80 netcoreultimapp
+	@echo ======================
+	@echo local port: $(lport)
+	@echo ======================
+	docker run --rm -p $(lport):80 $(dtag)
 
-dockerdev: dockerbuild dockerrun
+dockerdevrun:
+	@echo ======================
+	@echo local dev port: $(lportdev)
+	@echo ======================
+	docker run --rm -p $(lportdev):5000 $(dtagdev)
+
+dockerdev: dockerdevbuild dockerdevrun
 
 clean:
-	dotnet clean
+	$(CC) clean