add basic docker setup

Dockerfile

@@ -0,0 +1,13 @@
+FROM node:10
+
+WORKDIR /app
+
+# Install dependencies
+COPY package.json yarn.* ./
+RUN yarn install
+
+# Copy our code on top
+COPY lib ./lib
+COPY bin ./bin
+
+ENTRYPOINT ["bin/pug-lint-vue"]

docker-compose.yml

@@ -0,0 +1,7 @@
+version: '3'
+services:
+  app:
+    build: .
+    volumes:
+      - ./:/app
+    entrypoint: tail -F /dev/null

readme.md

@@ -33,3 +33,18 @@ The following example scans the `assets` directory for `.vue` files and outputs
 ```
 $ pug-lint-vue assets
 ```
+
+## Development
+
+Build the docker container via:
+
+```
+$ docker build . -t pug-lint-vue
+```
+
+Use docker compose to work on the files:
+
+```
+$ docker-compose up
+$ docker-compose exec app bash
+```