Update .dockerignore to exclude additional files and modify Makefile for improved shell command execution

.dockerignore

@@ -1 +1,3 @@
-config.json
+src/config.json
+src/node_modules
+src/package-lock.json

Makefile

@@ -37,11 +37,9 @@ stop:
 	@sudo docker stop $(NAME)
 
 shell:
-	docker run --rm -it \
-		--name $(CONTAINER)-shell \
-		-v "$(shell pwd):$(WORKDIR)" \
-		-w $(WORKDIR) \
-		$(IMAGE) /bin/sh
+	sudo docker run --rm -it \
+		--name $(NAME)-shell \
+		$(NAME):local /bin/sh
 
 help:
 	@printf "Usage:\n  make build        Build local docker image ($(IMAGE))\n  make run          Run image mounting project into $(WORKDIR) (port $(PORT))\n  make stop         Stop running container\n  make shell        Start a shell in a container with project mounted\n\nOverride variables: IMAGE, CONTAINER, WORKDIR, PORT, DOCKER_BUILD_ARGS, DOCKER_RUN_ARGS\n"