Results for “Container lifecycle”
Small, practical examples. Search by task or narrow things down below.
Set a working directory
Choose the default directory for later instructions and the running process.
Dockerfile✓ 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 service environment values
Pass configuration through the Compose environment section.
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
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
Supply a non-secret configuration file
Docker / Compose: A Compose config mounts a declared file into the service.
Docker / Compose✓ Tested
Supply an environment variable to an exec process
Docker / Compose: An exec environment override applies to the new process only.
Docker / Compose✓ Tested