Results for “Processes & environment”
Small, practical examples. Search by task or narrow things down below.
Set an example container hostname
Docker / Compose: Set an example container hostname using a locally available Ubuntu image.
Docker / Compose✓ Tested
Set an image’s default command
Use JSON array syntax for a predictable command.
Dockerfile✓ Tested
Set and inspect a fractional CPU limit
Docker / Compose: The cpus option records a limit in units of one billion NanoCPUs.
Docker / Compose✓ Tested
Set and inspect a memory limit
Apply a per-container limit when creating a container.
memory✓ Tested
Set copied files’ numeric ownership
Docker / Compose: COPY --chown sets ownership while adding the file.
Docker / Compose✓ Tested
Set no-new-privileges in Compose
Docker / Compose: security_opt configures the process privilege restriction.
Docker / Compose✓ Tested
Set the open-file limit for a process
Docker / Compose: The nofile ulimit sets soft and hard file descriptor limits.
Docker / Compose✓ Tested
Share data through a named volume
Keep a file across two short-lived containers.
volume✓ Tested
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
Stop a running container gracefully
Docker / Compose: stop sends the configured stop signal and waits before forcing termination.
Docker / Compose✓ Tested
Sum a range of integers
Use an arithmetic loop without launching external processes.
arithmetic✓ Tested
Supply a default for an unset Compose variable
Docker / Compose: The default interpolation form supplies a value when the variable is absent or empty.
Docker / Compose✓ Tested