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Results for “compose”

Small, practical examples. Search by task or narrow things down below.

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Docker / ComposeGetting Started

Set a service’s working directory

Docker / Compose: Set a service’s working directory in a small Compose file.

Docker / Compose✓ Tested
Docker / ComposeGetting Started

Set an example container hostname

Docker / Compose: Set an example container hostname using a locally available Ubuntu image.

Docker / Compose✓ Tested
Docker / ComposeLimits & process security

Set and inspect a fractional CPU limit

Docker / Compose: The cpus option records a limit in units of one billion NanoCPUs.

Docker / Compose✓ Tested
Docker / ComposeDockerfile patterns

Set copied files’ numeric ownership

Docker / Compose: COPY --chown sets ownership while adding the file.

Docker / Compose✓ Tested
Docker / ComposeCompose applications

Set service environment values

Pass configuration through the Compose environment section.

Compose✓ Tested
Docker / ComposeLimits & process security

Set the open-file limit for a process

Docker / Compose: The nofile ulimit sets soft and hard file descriptor limits.

Docker / Compose✓ Tested
Docker / ComposeContainer lifecycle

Start an existing container and attach to its output

Docker / Compose: create records the command; start with attach runs that existing container.

Docker / Compose✓ Tested
Docker / ComposeContainer lifecycle

Stop a running container gracefully

Docker / Compose: stop sends the configured stop signal and waits before forcing termination.

Docker / Compose✓ Tested
Docker / ComposeCompose service options

Supply a non-secret configuration file

Docker / Compose: A Compose config mounts a declared file into the service.

Docker / Compose✓ Tested
Docker / ComposeExecution & file transfer

Supply an environment variable to an exec process

Docker / Compose: An exec environment override applies to the new process only.

Docker / Compose✓ Tested
Docker / ComposeDockerfile patterns

Use a build argument while creating an image

Docker / Compose: ARG supplies a build-time value that is not automatically a runtime environment variable.

Docker / Compose✓ Tested
Docker / ComposeNetworks & volume metadata

Verify a read-only volume rejects writes

Docker / Compose: A failed write confirms the mount’s read-only behavior.

Docker / Compose✓ Tested