add dockerfile

Dockerfile

@@ -0,0 +1,2 @@
+FROM alpine:3.7
+RUN apk add --update --no-cache py3-yaml bash && pip3 install docker-compose

docker-compose.yml

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+version: "3"
+services:
+ docker-update:
+  image: docker.clkl.de/docker/update:0.1_alpine
+  build: .
+  volumes:
+   - ./docker-compose.py:/docker-compose.py
+   - ./sample:/services
+  command: bash -c 'python3 /docker-compose.py /services/*'