Fix server mode when running with docker (#80)

* Add workdir to dockerfile

* Remove unused build targets

* Remove unused docker-compose

Dockerfile

@@ -5,6 +5,7 @@ ADD . .
 RUN go build -o sysl-catalog .
 
 FROM alpine:latest
+WORKDIR /usr
 COPY --from=builder /src/sysl-catalog /bin/
 
 ENTRYPOINT [ "sysl-catalog" ]

Makefile

@@ -21,24 +21,19 @@ demo-html:
 	sysl-catalog run --type=html -o demo/html demo/demo.sysl
 demo-markdown:
 	sysl-catalog run -o demo/markdown demo/demo.sysl
-demo-server:
+demo-server: docker
 	docker run \
 	-p 6900:6900 \
 	-e SYSL_TOKENS=$(SYSL_TOKENS) \
 	-e SYSL_PLANTUML=localhost:8080 \
 	-e SYSL_MODULES=on \
 	-v $$(pwd)/demo/html:/out:rw \
 	-v $$(pwd)/demo:/usr/demo:ro \
-	sysl-catalog run \
+	anzbank/sysl-catalog:latest run \
 		--serve \
 		-v \
 		--type=html \
-		-o /out \
 		demo/demo.sysl
 .PHONY: docker
 docker:
-	docker build -t sysl-catalog .
-docker-run: docker
-	docker run -it -e SYSL_PLANTUML=localhost:8080 -e SYSL_MODULES=on -v $$(pwd)/demo/markdown:/out:rw -v $$(pwd)/demo:/usr/demo:ro anzbank/sysl-catalog run demo/demo.sysl
-docker-compose:
-	docker-compose run sysl-catalog
+	docker build -t anzbank/sysl-catalog:latest .