Set up continuous deployment

.gitignore

@@ -11,3 +11,5 @@ crash.log
 
 # OS X file
 static/.DS_Store
+
+prometheus_rsa

.travis.yml

@@ -0,0 +1,8 @@
+language: ruby
+
+script: make deploy
+before_install:
+    - eval "$(ssh-agent -s)"
+    - openssl aes-256-cbc -K $encrypted_2ba894bc7c2f_key -iv $encrypted_2ba894bc7c2f_iv -in prometheus_rsa.enc -out prometheus_rsa -d
+    - chmod 600 prometheus_rsa
+    - ssh-add prometheus_rsa

Makefile

@@ -0,0 +1,20 @@
+compile:
+	rm -rf output
+	bundle exec nanoc
+
+deploy: github_pages_export github_pages_push
+
+github_pages_export: compile
+	cd output && \
+	echo prometheus.io > CNAME && \
+	git init && \
+	git config user.name "Travis CI" && \
+	git config user.email "[email protected]" && \
+	git add . && \
+	git commit --message="Static site builder output"
+
+github_pages_push:
+	cd output && \
+	git push -f [email protected]:prometheus/prometheus.github.io master
+
+.PHONY: compile deploy github_pages_export github_pages_push