Dockerfile Cheat Sheet/Build from Dockerfile

Build an image from the Dockerfile in the current directory.

Section: Dockerfile Basics

Build from Dockerfile

bash
bash
docker build -t myapp:dev .
Explanation

By default Docker reads `./Dockerfile` and sends the current directory as build context.

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Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

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Build using an alternate Dockerfile path.
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Run build step
Execute a command during image build.
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Set the base image for a Dockerfile stage.
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Use WORKDIR instruction
Set the working directory for subsequent instructions.
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Copy files from the build context into the image.
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Set default command
Set the default command when the container starts.
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