diff --git a/ansible-examples.md b/ansible-examples.md
index 962c87a2b..90b454731 100644
--- a/ansible-examples.md
+++ b/ansible-examples.md
@@ -1,13 +1,11 @@
 ---
 title: Ansible examples
 category: Ansible
+layout: 2017/sheet
 ---
 
 ### Examples
 
- * [Ruby]( https://github.com/chelsea/ansible-example-ruby/blob/master/roles/webserver/tasks/main.yml )
-     
- * [Postgres]( https://github.com/chelsea/ansible-example-ruby/blob/master/roles/db/tasks/main.yml )
-
- https://github.com/tingtun/ansible-playbook-gitlab
-     
+ * [Ruby installation](https://github.com/chelsea/ansible-example-ruby/blob/master/roles/webserver/tasks/main.yml) _(github.com)_
+ * [Postgres installation](https://github.com/chelsea/ansible-example-ruby/blob/master/roles/db/tasks/main.yml)  _(github.com)_
+ * [GitLab installation](https://github.com/tingtun/ansible-playbook-gitlab) _(github.com)_
diff --git a/ansible-guide.md b/ansible-guide.md
index 76687781d..7f288a448 100644
--- a/ansible-guide.md
+++ b/ansible-guide.md
@@ -1,29 +1,40 @@
 ---
-title: Getting started
+title: "Ansible quickstart"
 category: Ansible
+layout: 2017/sheet
+description: |
+  A quick guide to getting started with your first Ansible playbook.
 ---
 
 ### Install Ansible
 
-```sh
+```bash
 $ brew install ansible            # OSX
-$ [sudo] pip install ansible      # elsewhere
+$ [sudo] apt install ansible      # elsewhere
 ```
 
+Ansible is available as a package in most OS's.
+
+See: [Installation](http://docs.ansible.com/ansible/latest/intro_installation.html)
+
 ### Start your project
 
-```sh
+```bash
 ~$ mkdir setup
 ~$ cd setup
 ```
 
-### Create an inventory file
+Make a folder for your Ansible files.
 
-This is a list of hosts you want to manage, grouped into groups. (Hint: try
-using 127.0.0.1 to deploy to your local machine)
+See: [Getting started](http://docs.ansible.com/ansible/latest/intro_getting_started.html)
+
+## Creating your files
+
+### Inventory file
+
+#### ~/setup/hosts
 
 ```dosini
-; ~/setup/hosts
 [sites]
 127.0.0.1
 192.168.0.1
@@ -31,11 +42,16 @@ using 127.0.0.1 to deploy to your local machine)
 192.168.0.3
 ```
 
-### Create your first Playbook
+This is a list of hosts you want to manage, grouped into groups. (Hint: try
+using `localhost ansible_connection=local` to deploy to your local machine.)
+
+See: [Intro to Inventory](http://docs.ansible.com/ansible/latest/playbooks_intro.html)
+
+### Playbook
+
+#### ~/setup/playbook.yml
 
 ```yaml
-# ~/setup/playbook.yml
-
 - hosts: 127.0.0.1
   user: root
   tasks:
@@ -52,26 +68,38 @@ using 127.0.0.1 to deploy to your local machine)
       gem: name=bundler state=latest
 ```
 
-### Run it
+See: [Intro to Playbooks](http://docs.ansible.com/ansible/latest/intro_inventory.html)
 
-    ~/setup$ ls
-    hosts
-    playbook.yml
+## Running
 
-    ~/setup$ ansible-playbook -i hosts playbook.yml
-    PLAY [all] ********************************************************************
+### Running ansible-playbook
 
-    GATHERING FACTS ***************************************************************
-    ok: [127.0.0.1]
+```
+~/setup$ ls
+hosts
+playbook.yml
+```
 
-    TASK: [install nginx] *********************************************************
-    ok: [127.0.0.1]
+#### Running the playbook
 
-    TASK: start nginx every bootup] ***********************************************
-    ok: [127.0.0.1]
-    ...
+```
+~/setup$ ansible-playbook -i hosts playbook.yml
+PLAY [all] ********************************************************************
 
-### Read more
+GATHERING FACTS ***************************************************************
+ok: [127.0.0.1]
 
-  * http://lowendbox.com/blog/getting-started-with-ansible/
-  * http://www.ansibleworks.com/docs/modules.html
+TASK: [install nginx] *********************************************************
+ok: [127.0.0.1]
+
+TASK: start nginx every bootup] ***********************************************
+ok: [127.0.0.1]
+...
+```
+
+## Read more
+
+* [Getting started with Ansible](http://lowendbox.com/blog/getting-started-with-ansible/) _(lowendbox.com)_
+* [Getting started](http://docs.ansible.com/ansible/latest/intro_getting_started.html) _(docs.ansible.com)_
+* [Intro to Inventory](http://docs.ansible.com/ansible/latest/intro_inventory.html) _(docs.ansible.com)_
+* [Intro to Playbooks](http://docs.ansible.com/ansible/latest/playbooks_intro.html) _(docs.ansible.com)_
diff --git a/ansible-roles.md b/ansible-roles.md
index 25ebdca83..cb1922624 100644
--- a/ansible-roles.md
+++ b/ansible-roles.md
@@ -1,6 +1,7 @@
 ---
 title: Ansible roles
 category: Ansible
+layout: 2017/sheet
 ---
 
 ### Structure
@@ -13,7 +14,8 @@ category: Ansible
         templates/          # 'template' will refer to this
         meta/               # Role dependencies here
         vars/
-        defaults/main.yml
+        defaults/
+          main.yml
 
 ### References
 
diff --git a/heroku.md b/heroku.md
index a82035b3b..ee7a6f31a 100644
--- a/heroku.md
+++ b/heroku.md
@@ -1,118 +1,195 @@
 ---
 title: Heroku
 category: Devops
+layout: 2017/sheet
+updated: 2017-10-11
+description: |
+  A one-page reference to common Heroku-CLI commands.
+intro: |
+  [Heroku](http://heroku.com/) is a web hosting platform supporting many languages, and this guide is a reference to Heroku's [command-line interface](http://heroku.com/).
 ---
 
 ### `create` - Create an app
 
-    heroku create sushi
+```bash
+heroku create sushi
+```
+
+```bash
+git push heroku master
+```
 
 ### `access` - Collaboration
 
-    # Manage collaborators
-      heroku access                     # List
-      heroku access:add me@xy.com
-      heroku access:remove me@xy.com
+#### Manage collaborators
 
-    # Transfer to another owner
-      heroku apps:transfer new@owner.com
+```bash
+heroku access                     # List
+heroku access:add me@xy.com
+heroku access:remove me@xy.com
+```
+
+#### Transfer to another owner
+
+```bash
+heroku apps:transfer new@owner.com
+```
 
 ### `logs` - Show logs
 
-    heroku logs
-    heroku logs -t      # --tail (stream)
-    heroku logs -s app  # --source (only on app logs)
+```bash
+heroku logs
+heroku logs -t      # --tail (stream)
+heroku logs -s app  # --source (only on app logs)
+```
 
 ### `releases`
 
-    heroku releases
-    heroku releases:info v25
-    heroku rollback
+```bash
+heroku releases
+heroku releases:info v25
+heroku rollback
+```
 
-### `pg` - Postgresql
+### `pg` - PostgreSQL
 
-    # Start a database
-      heroku addons:add heroku-postgresql
-      heroku pg:promote HEROKU_POSTGRESQL_PURPLE_URL
+#### Start a database
 
-    # Enable backups
-      heroku addons:add pgbackups:auto-month
+```bash
+heroku addons:add heroku-postgresql
+```
 
-### `ps` - Managing processes
+#### Enable backups
 
-    heroku ps              # list
-    heroku ps:scale web=1  # spawn more dynos
+```bash
+heroku addons:add pgbackups:auto-month
+```
 
-### `restart`
-
-    heroku restart
-
-### `run` - Running
-
-    heroku run bash
-    heroku run console                  # Rails console
-    heroku run rake assets:precompile
+See: [Heroku PostgreSQL](https://devcenter.heroku.com/articles/heroku-postgresql) _(devcenter.heroku.com)_
 
 ### `config` - Environment var configuration
 
-    heroku config        # List
-    heroku config -s     # List in shell format
+#### Listing
 
-    heroku config:get KEY
+```bash
+heroku config        # List
+heroku config -s     # List in shell format
+```
 
-    heroku config:set KEY=val
-    heroku config:set KEY1=val KEY2=val ...
+#### Getting
 
-    heroku config:unset KEY1
+```bash
+heroku config:get KEY
+```
+
+#### Setting
+
+```bash
+heroku config:set KEY=val
+heroku config:set KEY1=val KEY2=val ...
+```
+
+```bash
+heroku config:unset KEY1
+```
 
 ### `apps` - Applications
 
-    heroku apps                  # list
-    heroku apps:create [NAME]
-    heroku apps:destroy --app APP
-    heroku apps:info
-    heroku apps:open             # open in browser
-    heroku apps:rename NEWNAME
+```bash
+heroku apps                  # list
+heroku apps:create [NAME]
+heroku apps:destroy --app APP
+heroku apps:info
+heroku apps:open             # open in browser
+heroku apps:rename NEWNAME
+```
 
 ### `maintenance`
 
-    heroku maintenance:on
-    heroku maintenance:off
+```bash
+heroku maintenance:on
+```
+
+```bash
+heroku maintenance:off
+```
+
+## Processes
+
+
+### `ps` - Managing processes
+
+```bash
+heroku ps              # list
+heroku ps:scale web=1  # spawn more dynos
+```
+
+### `restart`
+
+```bash
+heroku restart
+```
+
+### `run` - Running tasks
+
+```bash
+heroku run bash
+heroku run console                  # Rails console
+heroku run rake assets:precompile
+```
+
+## Domains
 
 ### `domains` - Custom domains
 
-    # Add both!
-      heroku domains:add example.com
-      heroku domains:add www.example.com
+#### Add both!
 
-    # Removing:
-      heroku domains:clear
-      heroku domains:remove example.com
+```bash
+heroku domains:add example.com
+heroku domains:add www.example.com
+```
+
+#### Removing
+
+```bash
+heroku domains:clear
+heroku domains:remove example.com
+```
+
+See: [Custom domains](https://devcenter.heroku.com/articles/custom-domains) _(devcenter.heroku.com)_
 
 ### Wildcard domains
 
-    heroku addons:add wildcard_domains
+```bash
+heroku addons:add wildcard_domains
+```
 
-    *.yourdomain.com => heroku.com
+```bash
+*.yourdomain.com => heroku.com
+```
+
+## Other tricks
 
 ### htpasswd (for PHP apps)
 
 Create an `.htaccess` file in the webroot:
 
-    AuthUserFile /app/www/.htpasswd
-    AuthType Basic
-    AuthName "Restricted Access"
-    Require valid-user
+```bash
+AuthUserFile /app/www/.htpasswd
+AuthType Basic
+AuthName "Restricted Access"
+Require valid-user
+```
 
 Create a `.htpasswd` file:
 
-    $ htpasswd -c .htpasswd [username]
+```bash
+$ htpasswd -c .htpasswd [username]
+```
 
-See https://gist.github.com/3316425
+See: [gist.github.com](https://gist.github.com/3316425)
 
-### References:
+## References
 
- * https://addons.heroku.com/
- * https://devcenter.heroku.com/
- * https://devcenter.heroku.com/articles/custom-domains
- * https://devcenter.heroku.com/articles/heroku-postgresql
+ * <https://addons.heroku.com/>
+ * <https://devcenter.heroku.com/>