docker swarm config service update

docker-config.sh

#!/bin/bash

set -xue

OLD_CONFIG=$(docker service inspect service_name | jq .[].Spec.TaskTemplate.ContainerSpec.Configs[].ConfigName)
OLD_VERSION=${OLD_CONFIG: -2:-1}
NEW_VERSION=$((OLD_VERSION + 1))
NEW_CONFIG=$(echo "$OLD_CONFIG" | sed "s/$OLD_VERSION/$NEW_VERSION/")
echo "NEW_CONFIG: $NEW_CONFIG"

docker config create ${NEW_CONFIG:1:-1} ./.env
docker service update --config-rm ${OLD_CONFIG:1:-1} --config-add source=${NEW_CONFIG:1:-1},target=/app/.env service_name

# docker service inspect service_name | jq .[].Spec.TaskTemplate.ContainerSpec.Configs[].ConfigName
# docker config rm env_config