Add docker config.

.dockerignore

@@ -0,0 +1,2 @@
+docker-compose.yml
+Dockerfile

Dockerfile

@@ -0,0 +1,18 @@
+FROM node:alpine
+MAINTAINER moenka <[email protected]>
+
+ENV SCRUMBLR_PORT="8080"
+ENV SCRUMBLR_BASEURL="/"
+ENV SCRUMBLR_REDIS_URL="redis://redis"
+ENV SCRUMBLR_REDIS_PORT="6379"
+
+WORKDIR /srv/scrumblr
+COPY . /srv/scrumblr
+
+RUN npm install
+
+ENTRYPOINT /usr/local/bin/node server.js \
+           --port ${SCRUMBLR_PORT} \
+           --baseurl ${SCRUMBLR_BASEURL} \
+           --redis ${SCRUMBLR_REDIS_URL}:${SCRUMBLR_REDIS_PORT}
+

README.markdown

@@ -20,6 +20,8 @@ use scrumblr
 
 if you'd like to use scrumblr go to [scrumblr.ca](http://scrumblr.ca). new boards are made simply by modifying the url to something unique. e.g. your team could use a shared board at: *http://scrumblr.ca/thisisoursecretboard23423242*
 
+if you want to host a on-demand version for e.g. meetups or presentation you can run `docker-compose --build -d`. the application is then reachable via `localhost:7000`.
+
 alternatively, you can follow the instructions below to setup scrumblr yourself. it is very simple -- it just uses redis and node.js.
 
 if you are a developer, please fork and submit changes/fixes.

docker-compose.yml

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+---
+version: '3'
+services:
+  redis:
+    image: redis:alpine
+    volumes:
+    - 'redis:/data'
+  server:
+    build: ./
+    image: scrumblr
+    links:
+    - redis
+    ports:
+    - '7000:8080'
+volumes:
+  redis:
+