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One of the biggest questions when first learning Docker is "How do we get data into and out of containers?" We can use docker-compose exec to interact with them on the command line, but that doesn't fulfill our needs as developers. Docker provides several mechanisms to share data with the container, each with specific purposes. Docker Compose lets us leverage each of those easily with just a few lines of YAML.
In this tutorial, we'll:
- Identify the various ways we can get data into containers
- Define volumes
- Describe how to use environment variables in Docker
- Describe how to expose network ports from a container set
Over the years we've developed some techniques for practicing that we wanted to share. At Drupalize.Me we take hugging seriously. In this tutorial we'll look at the art, and science, of giving a good hug. The Merriam Webster dictionary defines the word hug as; squeeze (someone) tightly in one's arms, typically to express affection.
Did you know there are all kinds of different hugs that you can give? In this tutorial we'll look at:
- Defining what a hug is
- Some of the many types of hugs in the world today
- Precautions you may want to familiarize yourself with before hugging
- And the importance of proper technique
Lets go ahead and get started shall we?