remove root compose file for a Makefile; move Dockerfile; adjust drone file

.drone.yml

@@ -7,8 +7,6 @@ steps:
   image: plugins/docker
   settings:
     repo: ldericher/autodoc
-    context: src
-    dockerfile: src/Dockerfile
     auto_tag: true
     username:
       from_secret: DOCKER_USERNAME

Dockerfile

@@ -8,6 +8,7 @@ RUN set -ex; \
       make \
     ;
 
-COPY usr /usr
+COPY src/usr /usr
 
-CMD ["autodoc", "-bw"]
+ENTRYPOINT ["autodoc"]
+CMD ["-bw"]

Makefile

@@ -0,0 +1,24 @@
+image_tag = ldericher/autodoc
+docker_build = docker build
+docker_run = docker run --rm -it
+examples_flags = -v "$(shell pwd)/examples:/data" -u "$(shell id -u):$(shell id -g)"
+
+.PHONY: default
+default:
+	$(info use other targets: image build watch clean)
+
+.PHONY: image
+image:
+	$(docker_build) --tag $(image_tag) ./
+
+.PHONY: build
+build: image
+	$(docker_run) $(examples_flags) $(image_tag) -b
+
+.PHONY: watch
+watch: image
+	$(docker_run) $(examples_flags) $(image_tag)
+
+.PHONY: clean
+clean:
+	git clean -xdf ./examples

docker-compose.yml

@@ -1,16 +0,0 @@
-version: "2"
-
-services:
-  autodoc:
-    restart: "no"
-
-    image: ldericher/autodoc
-    build:
-      context: ./src
-
-    command: "bash"
-
-    volumes:
-      - "${PWD}/src/usr/local/bin/autodoc:/usr/local/bin/autodoc:ro"
-      - "${PWD}/src/usr/local/lib/autodoc:/usr/local/lib/autodoc:ro"
-      - "${PWD}/examples:/docs"