Results for “running container”
Small, practical examples. Search by task or narrow things down below.
Preserve a failure status while an EXIT trap runs
Bash Scripts: Capture the status immediately on entry to the trap before running cleanup commands.
Bash Scripts✓ Tested
Prevent an item from shrinking
CSS: Flex-shrink zero preserves a required size even when the container overflows.
CSS✓ Tested
Prevent gaining privileges through exec
Docker / Compose: The no-new-privileges flag is visible in process status.
Docker / Compose✓ Tested
Protect a Compose service’s root filesystem
Docker / Compose: read_only rejects writes to the image filesystem.
Docker / Compose✓ Tested
Provide a default environment value
Set a runtime default that can be overridden at startup.
Dockerfile✓ Tested
Put an optional service behind a profile
Keep a utility service separate from a normal Compose startup.
Compose✓ Tested
Read a completed example’s output
Docker / Compose: Read a completed example’s output using a locally available Ubuntu image.
Docker / Compose✓ Tested
Read a secret from a mounted file
Docker / Compose: Compose secrets make a file available under /run/secrets.
Docker / Compose✓ Tested
Read an image’s default command
Docker / Compose: Config.Cmd contains the command arguments stored in the image.
Docker / Compose✓ Tested
Remove one network attachment
Docker / Compose: network disconnect removes the specified attachment while retaining the container.
Docker / Compose✓ Tested
Remove one tag while retaining another reference
Docker / Compose: Removing a tag does not delete an image still referenced by another tag.
Docker / Compose✓ Tested
Require a locally available image
Docker / Compose: The never pull policy fails for missing images instead of attempting a download.
Docker / Compose✓ Tested