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title	description	keywords
signer remove	The signer remove command description and usage	signer, notary, trust

trust signer remove

Usage:  docker trust signer remove [OPTIONS] NAME REPOSITORY [REPOSITORY...]

Remove a signer

Options:
  -f, --force   Do not prompt for confirmation before removing the most recent signer
  --help        Print usage

Description

docker trust signer remove removes signers from signed repositories.

Examples

Remove a signer from a repo

To remove an existing signer, alice, from this repository:

$ docker trust inspect --pretty example/trust-demo

No signatures for example/trust-demo


List of signers and their keys:

SIGNER              KEYS
alice               05e87edcaecb
bob                 5600f5ab76a2

Administrative keys for example/trust-demo:
Repository Key: ecc457614c9fc399da523a5f4e24fe306a0a6ee1cc79a10e4555b3c6ab02f71e
Root Key:       3cb2228f6561e58f46dbc4cda4fcaff9d5ef22e865a94636f82450d1d2234949

Remove alice with docker trust signer remove:

$ docker trust signer remove alice example/trust-demo

Removing signer "alice" from image example/trust-demo...
Enter passphrase for repository key with ID 642692c:
Successfully removed alice from example/trust-demo

docker trust inspect --pretty now does not list alice as a valid signer:

$ docker trust inspect --pretty example/trust-demo

No signatures for example/trust-demo


List of signers and their keys:

SIGNER              KEYS
bob                 5600f5ab76a2

Administrative keys for example/trust-demo:
Repository Key: ecc457614c9fc399da523a5f4e24fe306a0a6ee1cc79a10e4555b3c6ab02f71e
Root Key:       3cb2228f6561e58f46dbc4cda4fcaff9d5ef22e865a94636f82450d1d2234949

Remove a signer from multiple repos

To remove an existing signer, alice, from multiple repositories:

$ docker trust inspect --pretty example/trust-demo

SIGNED TAG          DIGEST                                                             SIGNERS
v1                  74d4bfa917d55d53c7df3d2ab20a8d926874d61c3da5ef6de15dd2654fc467c4   alice, bob

List of signers and their keys:

SIGNER              KEYS
alice               05e87edcaecb
bob                 5600f5ab76a2

Administrative keys for example/trust-demo:
Repository Key: 95b9e5514c9fc399da523a5f4e24fe306a0a6ee1cc79a10e4555b3c6ab02f71e
Root Key:       3cb2228f6561e58f46dbc4cda4fcaff9d5ef22e865a94636f82450d1d2234949

$ docker trust inspect --pretty example/trust-demo2

SIGNED TAG          DIGEST                                                             SIGNERS
v1                  74d4bfa917d55d53c7df3d2ab20a8d926874d61c3da5ef6de15dd2654fc467c4   alice, bob

List of signers and their keys:

SIGNER              KEYS
alice               05e87edcaecb
bob                 5600f5ab76a2

Administrative keys for example/trust-demo2:
Repository Key: ece554f14c9fc399da523a5f4e24fe306a0a6ee1cc79a10e4553d2ab20a8d9268
Root Key:       3cb2228f6561e58f46dbc4cda4fcaff9d5ef22e865a94636f82450d1d2234949

Remove alice from both images with a single docker trust signer remove command:

$ docker trust signer remove alice example/trust-demo example/trust-demo2

Removing signer "alice" from image example/trust-demo...
Enter passphrase for repository key with ID 95b9e55:
Successfully removed alice from example/trust-demo

Removing signer "alice" from image example/trust-demo2...
Enter passphrase for repository key with ID ece554f:
Successfully removed alice from example/trust-demo2

Run docker trust inspect --pretty to confirm that alice is no longer listed as a valid signer of either example/trust-demo or example/trust-demo2:

$ docker trust inspect --pretty example/trust-demo

SIGNED TAG          DIGEST                                                             SIGNERS
v1                  74d4bfa917d55d53c7df3d2ab20a8d926874d61c3da5ef6de15dd2654fc467c4   bob

List of signers and their keys:

SIGNER              KEYS
bob                 5600f5ab76a2

Administrative keys for example/trust-demo:
Repository Key: ecc457614c9fc399da523a5f4e24fe306a0a6ee1cc79a10e4555b3c6ab02f71e
Root Key:       3cb2228f6561e58f46dbc4cda4fcaff9d5ef22e865a94636f82450d1d2234949

$ docker trust inspect --pretty example/trust-demo2

SIGNED TAG          DIGEST                                                             SIGNERS
v1                  74d4bfa917d55d53c7df3d2ab20a8d926874d61c3da5ef6de15dd2654fc467c4   bob

List of signers and their keys:

SIGNER              KEYS
bob                 5600f5ab76a2

Administrative keys for example/trust-demo2:
Repository Key: ece554f14c9fc399da523a5f4e24fe306a0a6ee1cc79a10e4553d2ab20a8d9268
Root Key:       3cb2228f6561e58f46dbc4cda4fcaff9d5ef22e865a94636f82450d1d2234949

docker trust signer remove removes signers to repositories on a best effort basis, so it will continue to remove the signer from subsequent repositories if one attempt fails:

$ docker trust signer remove alice example/unauthorized example/authorized

Removing signer "alice" from image example/unauthorized...
No signer alice for image example/unauthorized

Removing signer "alice" from image example/authorized...
Enter passphrase for repository key with ID c6772a0:
Successfully removed alice from example/authorized

Error removing signer from: example/unauthorized

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