Results for “Compose service options”
Small, practical examples. Search by task or narrow things down below.
Label a volume with its purpose
Docker / Compose: Volume labels support explicit ownership and selection.
Docker / Compose✓ Tested
Limit the number of container processes
Docker / Compose: The pids-limit setting caps the container’s process count.
Docker / Compose✓ Tested
List a specific image reference
Docker / Compose: The reference filter narrows repository and tag results.
Docker / Compose✓ Tested
List only containers belonging to a label
Docker / Compose: A label filter selects explicitly tagged resources.
Docker / Compose✓ Tested
List only volumes matching a label
Docker / Compose: A label filter avoids relying on broad name patterns.
Docker / Compose✓ Tested
Load environment variables from a file
Docker / Compose: An env file supplies one KEY=value assignment per line.
Docker / Compose✓ Tested
Override an image’s entrypoint at runtime
Docker / Compose: An explicit entrypoint replaces the image entrypoint for this invocation.
Docker / Compose✓ Tested
Override the process working directory
Docker / Compose: The workdir option sets the directory for the container command.
Docker / Compose✓ Tested
Parse a short option with getopts
Read a named option and handle invalid flags explicitly.
getopts✓ Tested
Pass a named configuration value
Docker / Compose: Pass a named configuration value using a locally available Ubuntu image.
Docker / Compose✓ Tested
Pipe input into a container process
Docker / Compose: The interactive flag keeps standard input open without allocating a terminal.
Docker / Compose✓ Tested
Prepare an owned directory before dropping root
Docker / Compose: Create and chown the writable application path before USER.
Docker / Compose✓ Tested