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# Docker basics and troubleshooting
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###### guide-by-example
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2022-01-09 02:08:29 +00:00
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2021-12-31 00:35:58 +00:00
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2022-01-09 02:08:29 +00:00
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# Overview
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2022-01-09 12:26:09 +00:00
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**Docker** is a container technology that uses the hosts kernel while putting the userland applications into a sandbox.
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It is much more lightweight than a full-fledged virtual machine, but can only run stuff that can run on host.
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2021-12-31 00:35:58 +00:00
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2022-01-09 12:26:09 +00:00
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**Compose** is a Docker tool that allows defining containers using a YAML file and run them with a single command.
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2021-12-31 00:35:58 +00:00
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2022-01-09 02:08:29 +00:00
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The purpose of docker and docker-compose is either development or deployment.<br>
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Most of the stuff around here is about deployment, how to deploy others people work<br>
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2021-12-31 00:35:58 +00:00
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2022-01-09 02:08:29 +00:00
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# Basics
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2021-12-31 00:35:58 +00:00
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