Add docker support

.dockerignore

@@ -0,0 +1 @@
+.sass-cache

README.md

@@ -2,35 +2,26 @@
 
 [![Build Status](https://travis-ci.org/saglacio/saglac.io.svg?branch=master)](https://travis-ci.org/saglacio/saglac.io)
 
-Website for [saglac.io](https://saglac.io). This is a basic [Jekyll](https://jekyllrb.com/) website :rocket:
+The meetup website for [saglac.io](https://saglac.io) running on [Jekyll](https://jekyllrb.com/) :rocket:
 
-## Prerequisites
+## Development
 
-On macOS, use [`brew`](https://brew.sh/index_fr) to install [`rbenv`](https://github.com/rbenv/rbenv).
+### Requirements
 
-```bash
-brew install rbenv
-# Set up rbenv in your shell.
-rbenv init
-# Install the ruby version needed for this project
-rbenv install
-```
+- [docker](https://www.docker.com) and [docker-compose](https://docs.docker.com/compose/)
 
-Restart your shell to make sure everything is correctly loaded.
-
-## Development
+### Getting started
 
 Run:
 
 ```bash
-gem install bundle
-bundle install
-bundle exec jekyll serve --watch
+docker-compose up -d
+docker-compose logs -f
 ```
 
 Visit http://0.0.0.0:4000 ... :boom:!
 
-## Add an event
+### Add an event
 
 Everything is in the `_data` directory, just send a [pull-request](https://github.com/saglacio/saglac.io/pulls)!
 

docker-compose.yml

@@ -0,0 +1,12 @@
+version: '3'
+
+services:
+  jekyll:
+    build:
+      context: .
+      dockerfile: docker/ruby/Dockerfile
+    command: ["bundle", "exec", "jekyll", "server", "--force_polling", "-H", "0.0.0.0", "-P", "4000"]
+    ports:
+      - 4000:4000
+    volumes:
+      - "./:/app"

docker/ruby/Dockerfile

@@ -0,0 +1,7 @@
+FROM ruby:2.4.2
+
+WORKDIR /app
+
+RUN gem install bundler
+ADD ./Gemfile* ./
+RUN bundle install