Update

docker-compose.md

@@ -18,6 +18,100 @@ services:
     image: redis
 ```
 
+## Command
+
 ```sh
+docker-compose start
+docker-compose stop
+
+docker-compose pause
+docker-compose unpause
+
+docker-compose ps
 docker-compose up
+docker-compose down
+
+```
+
+## Reference
+
+```yaml
+web:
+  # build from Dockerfile
+  build: .
+
+  # build from image
+  image: ubuntu
+  image: ubuntu:14.04
+  image: tutum/influxdb
+  image: example-registry:4000/postgresql
+  image: a4bc65fd
+
+  ports:
+    - "3000"
+    - "8000:80"  # guest:host
+
+  # command to execute
+  command: bundle exec thin -p 3000
+  command: [bundle, exec, thin, -p, 3000]
+
+  # override the entrypoint
+  entrypoint: /app/start.sh
+  entrypoint: [php, -d, vendor/bin/phpunit]
+
+  # environment vars
+  environment:
+    RACK_ENV: development
+  environment:
+    - RACK_ENV=development
+
+  # environment vars from file
+  env_file: .env
+  env_file: [.env, .development.env]
+
+  # expose ports to linked services (not to host)
+  expose: ["3000"]
+
+  # make this service extend another
+  extends:
+    file: common.yml  # optional
+    service: webapp
+
+  # makes the `db` service available as the hostname `database`
+  # (implies depends_on)
+  links:
+    - db:database
+    - redis
+
+  # make sure `db` is alive before starting
+  depends_on:
+    - db
+
+  volumes:
+    - /var/lib/mysql
+    - ./_data:/var/lib/mysql
+```
+
+## Less-often used
+
+```yaml
+web:
+  labels:
+    com.example.description: "Accounting web app"
+
+  # change dns servers
+  dns: 8.8.8.8
+  dns:
+    - 8.8.8.8
+    - 8.8.4.4
+
+  devices:
+  - "/dev/ttyUSB0:/dev/ttyUSB0"
+
+  external_links:
+    - redis_1
+    - project_db_1:mysql
+
+  extra_hosts:
+    - "somehost:192.168.1.100"
 ```

js-speech.md

@@ -0,0 +1,17 @@
+---
+title: JavaScript speech synthesis
+category: Ruby
+---
+
+```js
+function speak (message) {
+  var msg = new SpeechSynthesisUtterance(message)
+  var voices = window.speechSynthesis.getVoices()
+  msg.voice = voices[0]
+  window.speechSynthesis.speak(msg)
+}
+```
+
+## Reference
+
+* <https://developer.mozilla.org/en-US/docs/Web/API/SpeechSynthesisUtterance>