How to fix Error response from daemon: No such node in Docker

# List all nodes in the swarm (run on a manager)
docker node ls

# Output includes ID, hostname, status, availability, and manager status
# ID                            HOSTNAME   STATUS    AVAILABILITY   MANAGER STATUS
# abc123def456 *                manager1   Ready     Active         Leader
# xyz789ghi012                  worker1    Ready     Active

# Get detailed node information
docker node ls --format "table {{.ID}}\t{{.Hostname}}\t{{.Status}}\t{{.ManagerStatus}}"

# Get full node IDs
docker node ls --format "{{.ID}}: {{.Hostname}}"

# You can use the full ID
docker node inspect abc123def456ghijklmnopqrs

# Or use a unique prefix (at least 4 characters)
docker node inspect abc1

# Or use the hostname
docker node inspect worker1

# Check if node appears as "Down" (not yet removed)
docker node ls -f "name=worker1"

# If status is "Down", you can remove it
docker node rm worker1

# Force remove a node that's unreachable
docker node rm --force worker1

# If the node already left and isn't listed, the error is expected
# - the node is already gone from the swarm

# List services and their constraints
docker service ls
docker service inspect --format '{{.Spec.TaskTemplate.Placement.Constraints}}' myservice

# If a constraint references a removed node, update the service
docker service update --constraint-rm "node.hostname==oldworker" myservice

# Or update to a valid node
docker service update --constraint-add "node.hostname==newworker" myservice

# Check tasks that may be pending due to missing nodes
docker service ps myservice

# If you see repeated "Error getting node: node not found" in logs
# Check for stacks that may reference old nodes
docker stack ls
docker stack ps mystask

# Remove and redeploy stacks to clear stale state
docker stack rm mystack
docker stack deploy -c docker-compose.yml mystack

# The stale node references should clear after removing affected stacks

# On a manager, get the worker join token
docker swarm join-token worker

# Or get the manager join token
docker swarm join-token manager

# On the node that needs to rejoin, first leave any old swarm
docker swarm leave --force

# Then join with the new token
docker swarm join --token SWMTKN-1-xxxxx manager-ip:2377

# Verify swarm status on current node
docker info --format '{{.Swarm.LocalNodeState}}'
# Should return "active" if part of a swarm

# Check which node you're on
docker info --format '{{.Swarm.NodeID}}'

# Verify manager status
docker info --format '{{.Swarm.ControlAvailable}}'
# Returns "true" if this is a manager

# If using Docker contexts, ensure correct context
docker context ls
docker context use default