difference between docker service and docker container
I can create a docker container by command
docker run <<image_name>>
I can create a service by command
docker service create <<image_name>>
What is the difference between these two in behaviour?
When would I need to create a service over container?
docker docker-swarm
add a comment |
I can create a docker container by command
docker run <<image_name>>
I can create a service by command
docker service create <<image_name>>
What is the difference between these two in behaviour?
When would I need to create a service over container?
docker docker-swarm
add a comment |
I can create a docker container by command
docker run <<image_name>>
I can create a service by command
docker service create <<image_name>>
What is the difference between these two in behaviour?
When would I need to create a service over container?
docker docker-swarm
I can create a docker container by command
docker run <<image_name>>
I can create a service by command
docker service create <<image_name>>
What is the difference between these two in behaviour?
When would I need to create a service over container?
docker docker-swarm
docker docker-swarm
asked Jan 1 at 11:59
secret super starsecret super star
1,025115
1,025115
add a comment |
add a comment |
2 Answers
2
active
oldest
votes
docker service
command in a docker swarm replaces the docker run
. docker run
has been built for single host solutions. Its whole idea is to focus on local containers on the system it is talking to. Whereas in a cluster the individual containers are irrelevant. We simply use swarm services to manage the multiple containers in a cluster. Swarm will orchestrate the containers of the services for us.
docker service create
is mainly to be used in docker swarm mode. docker run
does not have the concept of scaling up/down. With docker service create
you can specify the number of replicas to be created using the --replicas
command. This will create and manage multiple replicas of a containers in many different nodes. There are several such options for managing multiple containers using docker service create
and other commands under docker service ...
One more note: docker services are for container orchestration systems(swarm). It has built in facility for failure recovery. ie. it recreates a container on failure. docker run
would never recreate a container if it fails. When the docker service
commands are used we are not directly asking to perform action like "create a single container", rather we are saying to the orchestration system to "put this job in your queue and when you can get to it perform that action on the swarm". This means it has rollback facilities, failure mitigation and lots of intelligence built in.
You need to consider using docker service create
when in swarm mode and docker run
when not in swarm mode. You can lookup on docker swarms to understand docker services.
Can I make the service to join sworm while creating one?
– secret super star
Jan 1 at 14:27
Swarm is deactivated by default. You need to initialize bydocker swarm init
then services created will be in the swarm. Please lookup on swarm to understand services.
– Riyafa Abdul Hameed
Jan 1 at 14:42
Got it, thanks.. this is what I am looking for.
– secret super star
Jan 1 at 14:54
add a comment |
There is no real difference. In the official documentation you can read "Services are really just containers in production".
Services can be declared in "docker-compose.yml" and can be started from it. Once started, they will run as containers.
It is just a common way to name parts of your stack.
Agreed with that part, but those are created throughdocker stack deploy
. I am having more specific that I can create a service through command too. So, is there use-case I would use thedocker service create
command directly?
– secret super star
Jan 1 at 12:32
docker stack deploy would run on cluster swarm. If you don't have any cluster swarm, it wouldn't run. But if you have many services in your docker-compose file, you can just start them by calling docker-compose command which will create services for you. However, you can not do everything in docker-compose. For example, if you want to declare how many replicas to be started for one service, it won't run. docker stack is required for that.
– OlivierTerrien
Jan 1 at 12:34
Let's have a look into the official documentation : docs.docker.com/compose/overview. The sample docker-compose file declares 2 services "web" and "redis". To start them all together or one by one, you can use docker-compose command. But if you want to create services yourself, your command is also right.
– OlivierTerrien
Jan 1 at 12:39
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
docker service
command in a docker swarm replaces the docker run
. docker run
has been built for single host solutions. Its whole idea is to focus on local containers on the system it is talking to. Whereas in a cluster the individual containers are irrelevant. We simply use swarm services to manage the multiple containers in a cluster. Swarm will orchestrate the containers of the services for us.
docker service create
is mainly to be used in docker swarm mode. docker run
does not have the concept of scaling up/down. With docker service create
you can specify the number of replicas to be created using the --replicas
command. This will create and manage multiple replicas of a containers in many different nodes. There are several such options for managing multiple containers using docker service create
and other commands under docker service ...
One more note: docker services are for container orchestration systems(swarm). It has built in facility for failure recovery. ie. it recreates a container on failure. docker run
would never recreate a container if it fails. When the docker service
commands are used we are not directly asking to perform action like "create a single container", rather we are saying to the orchestration system to "put this job in your queue and when you can get to it perform that action on the swarm". This means it has rollback facilities, failure mitigation and lots of intelligence built in.
You need to consider using docker service create
when in swarm mode and docker run
when not in swarm mode. You can lookup on docker swarms to understand docker services.
Can I make the service to join sworm while creating one?
– secret super star
Jan 1 at 14:27
Swarm is deactivated by default. You need to initialize bydocker swarm init
then services created will be in the swarm. Please lookup on swarm to understand services.
– Riyafa Abdul Hameed
Jan 1 at 14:42
Got it, thanks.. this is what I am looking for.
– secret super star
Jan 1 at 14:54
add a comment |
docker service
command in a docker swarm replaces the docker run
. docker run
has been built for single host solutions. Its whole idea is to focus on local containers on the system it is talking to. Whereas in a cluster the individual containers are irrelevant. We simply use swarm services to manage the multiple containers in a cluster. Swarm will orchestrate the containers of the services for us.
docker service create
is mainly to be used in docker swarm mode. docker run
does not have the concept of scaling up/down. With docker service create
you can specify the number of replicas to be created using the --replicas
command. This will create and manage multiple replicas of a containers in many different nodes. There are several such options for managing multiple containers using docker service create
and other commands under docker service ...
One more note: docker services are for container orchestration systems(swarm). It has built in facility for failure recovery. ie. it recreates a container on failure. docker run
would never recreate a container if it fails. When the docker service
commands are used we are not directly asking to perform action like "create a single container", rather we are saying to the orchestration system to "put this job in your queue and when you can get to it perform that action on the swarm". This means it has rollback facilities, failure mitigation and lots of intelligence built in.
You need to consider using docker service create
when in swarm mode and docker run
when not in swarm mode. You can lookup on docker swarms to understand docker services.
Can I make the service to join sworm while creating one?
– secret super star
Jan 1 at 14:27
Swarm is deactivated by default. You need to initialize bydocker swarm init
then services created will be in the swarm. Please lookup on swarm to understand services.
– Riyafa Abdul Hameed
Jan 1 at 14:42
Got it, thanks.. this is what I am looking for.
– secret super star
Jan 1 at 14:54
add a comment |
docker service
command in a docker swarm replaces the docker run
. docker run
has been built for single host solutions. Its whole idea is to focus on local containers on the system it is talking to. Whereas in a cluster the individual containers are irrelevant. We simply use swarm services to manage the multiple containers in a cluster. Swarm will orchestrate the containers of the services for us.
docker service create
is mainly to be used in docker swarm mode. docker run
does not have the concept of scaling up/down. With docker service create
you can specify the number of replicas to be created using the --replicas
command. This will create and manage multiple replicas of a containers in many different nodes. There are several such options for managing multiple containers using docker service create
and other commands under docker service ...
One more note: docker services are for container orchestration systems(swarm). It has built in facility for failure recovery. ie. it recreates a container on failure. docker run
would never recreate a container if it fails. When the docker service
commands are used we are not directly asking to perform action like "create a single container", rather we are saying to the orchestration system to "put this job in your queue and when you can get to it perform that action on the swarm". This means it has rollback facilities, failure mitigation and lots of intelligence built in.
You need to consider using docker service create
when in swarm mode and docker run
when not in swarm mode. You can lookup on docker swarms to understand docker services.
docker service
command in a docker swarm replaces the docker run
. docker run
has been built for single host solutions. Its whole idea is to focus on local containers on the system it is talking to. Whereas in a cluster the individual containers are irrelevant. We simply use swarm services to manage the multiple containers in a cluster. Swarm will orchestrate the containers of the services for us.
docker service create
is mainly to be used in docker swarm mode. docker run
does not have the concept of scaling up/down. With docker service create
you can specify the number of replicas to be created using the --replicas
command. This will create and manage multiple replicas of a containers in many different nodes. There are several such options for managing multiple containers using docker service create
and other commands under docker service ...
One more note: docker services are for container orchestration systems(swarm). It has built in facility for failure recovery. ie. it recreates a container on failure. docker run
would never recreate a container if it fails. When the docker service
commands are used we are not directly asking to perform action like "create a single container", rather we are saying to the orchestration system to "put this job in your queue and when you can get to it perform that action on the swarm". This means it has rollback facilities, failure mitigation and lots of intelligence built in.
You need to consider using docker service create
when in swarm mode and docker run
when not in swarm mode. You can lookup on docker swarms to understand docker services.
edited Jan 1 at 13:29
answered Jan 1 at 12:46
Riyafa Abdul HameedRiyafa Abdul Hameed
2,57622633
2,57622633
Can I make the service to join sworm while creating one?
– secret super star
Jan 1 at 14:27
Swarm is deactivated by default. You need to initialize bydocker swarm init
then services created will be in the swarm. Please lookup on swarm to understand services.
– Riyafa Abdul Hameed
Jan 1 at 14:42
Got it, thanks.. this is what I am looking for.
– secret super star
Jan 1 at 14:54
add a comment |
Can I make the service to join sworm while creating one?
– secret super star
Jan 1 at 14:27
Swarm is deactivated by default. You need to initialize bydocker swarm init
then services created will be in the swarm. Please lookup on swarm to understand services.
– Riyafa Abdul Hameed
Jan 1 at 14:42
Got it, thanks.. this is what I am looking for.
– secret super star
Jan 1 at 14:54
Can I make the service to join sworm while creating one?
– secret super star
Jan 1 at 14:27
Can I make the service to join sworm while creating one?
– secret super star
Jan 1 at 14:27
Swarm is deactivated by default. You need to initialize by
docker swarm init
then services created will be in the swarm. Please lookup on swarm to understand services.– Riyafa Abdul Hameed
Jan 1 at 14:42
Swarm is deactivated by default. You need to initialize by
docker swarm init
then services created will be in the swarm. Please lookup on swarm to understand services.– Riyafa Abdul Hameed
Jan 1 at 14:42
Got it, thanks.. this is what I am looking for.
– secret super star
Jan 1 at 14:54
Got it, thanks.. this is what I am looking for.
– secret super star
Jan 1 at 14:54
add a comment |
There is no real difference. In the official documentation you can read "Services are really just containers in production".
Services can be declared in "docker-compose.yml" and can be started from it. Once started, they will run as containers.
It is just a common way to name parts of your stack.
Agreed with that part, but those are created throughdocker stack deploy
. I am having more specific that I can create a service through command too. So, is there use-case I would use thedocker service create
command directly?
– secret super star
Jan 1 at 12:32
docker stack deploy would run on cluster swarm. If you don't have any cluster swarm, it wouldn't run. But if you have many services in your docker-compose file, you can just start them by calling docker-compose command which will create services for you. However, you can not do everything in docker-compose. For example, if you want to declare how many replicas to be started for one service, it won't run. docker stack is required for that.
– OlivierTerrien
Jan 1 at 12:34
Let's have a look into the official documentation : docs.docker.com/compose/overview. The sample docker-compose file declares 2 services "web" and "redis". To start them all together or one by one, you can use docker-compose command. But if you want to create services yourself, your command is also right.
– OlivierTerrien
Jan 1 at 12:39
add a comment |
There is no real difference. In the official documentation you can read "Services are really just containers in production".
Services can be declared in "docker-compose.yml" and can be started from it. Once started, they will run as containers.
It is just a common way to name parts of your stack.
Agreed with that part, but those are created throughdocker stack deploy
. I am having more specific that I can create a service through command too. So, is there use-case I would use thedocker service create
command directly?
– secret super star
Jan 1 at 12:32
docker stack deploy would run on cluster swarm. If you don't have any cluster swarm, it wouldn't run. But if you have many services in your docker-compose file, you can just start them by calling docker-compose command which will create services for you. However, you can not do everything in docker-compose. For example, if you want to declare how many replicas to be started for one service, it won't run. docker stack is required for that.
– OlivierTerrien
Jan 1 at 12:34
Let's have a look into the official documentation : docs.docker.com/compose/overview. The sample docker-compose file declares 2 services "web" and "redis". To start them all together or one by one, you can use docker-compose command. But if you want to create services yourself, your command is also right.
– OlivierTerrien
Jan 1 at 12:39
add a comment |
There is no real difference. In the official documentation you can read "Services are really just containers in production".
Services can be declared in "docker-compose.yml" and can be started from it. Once started, they will run as containers.
It is just a common way to name parts of your stack.
There is no real difference. In the official documentation you can read "Services are really just containers in production".
Services can be declared in "docker-compose.yml" and can be started from it. Once started, they will run as containers.
It is just a common way to name parts of your stack.
answered Jan 1 at 12:24
OlivierTerrienOlivierTerrien
972819
972819
Agreed with that part, but those are created throughdocker stack deploy
. I am having more specific that I can create a service through command too. So, is there use-case I would use thedocker service create
command directly?
– secret super star
Jan 1 at 12:32
docker stack deploy would run on cluster swarm. If you don't have any cluster swarm, it wouldn't run. But if you have many services in your docker-compose file, you can just start them by calling docker-compose command which will create services for you. However, you can not do everything in docker-compose. For example, if you want to declare how many replicas to be started for one service, it won't run. docker stack is required for that.
– OlivierTerrien
Jan 1 at 12:34
Let's have a look into the official documentation : docs.docker.com/compose/overview. The sample docker-compose file declares 2 services "web" and "redis". To start them all together or one by one, you can use docker-compose command. But if you want to create services yourself, your command is also right.
– OlivierTerrien
Jan 1 at 12:39
add a comment |
Agreed with that part, but those are created throughdocker stack deploy
. I am having more specific that I can create a service through command too. So, is there use-case I would use thedocker service create
command directly?
– secret super star
Jan 1 at 12:32
docker stack deploy would run on cluster swarm. If you don't have any cluster swarm, it wouldn't run. But if you have many services in your docker-compose file, you can just start them by calling docker-compose command which will create services for you. However, you can not do everything in docker-compose. For example, if you want to declare how many replicas to be started for one service, it won't run. docker stack is required for that.
– OlivierTerrien
Jan 1 at 12:34
Let's have a look into the official documentation : docs.docker.com/compose/overview. The sample docker-compose file declares 2 services "web" and "redis". To start them all together or one by one, you can use docker-compose command. But if you want to create services yourself, your command is also right.
– OlivierTerrien
Jan 1 at 12:39
Agreed with that part, but those are created through
docker stack deploy
. I am having more specific that I can create a service through command too. So, is there use-case I would use the docker service create
command directly?– secret super star
Jan 1 at 12:32
Agreed with that part, but those are created through
docker stack deploy
. I am having more specific that I can create a service through command too. So, is there use-case I would use the docker service create
command directly?– secret super star
Jan 1 at 12:32
docker stack deploy would run on cluster swarm. If you don't have any cluster swarm, it wouldn't run. But if you have many services in your docker-compose file, you can just start them by calling docker-compose command which will create services for you. However, you can not do everything in docker-compose. For example, if you want to declare how many replicas to be started for one service, it won't run. docker stack is required for that.
– OlivierTerrien
Jan 1 at 12:34
docker stack deploy would run on cluster swarm. If you don't have any cluster swarm, it wouldn't run. But if you have many services in your docker-compose file, you can just start them by calling docker-compose command which will create services for you. However, you can not do everything in docker-compose. For example, if you want to declare how many replicas to be started for one service, it won't run. docker stack is required for that.
– OlivierTerrien
Jan 1 at 12:34
Let's have a look into the official documentation : docs.docker.com/compose/overview. The sample docker-compose file declares 2 services "web" and "redis". To start them all together or one by one, you can use docker-compose command. But if you want to create services yourself, your command is also right.
– OlivierTerrien
Jan 1 at 12:39
Let's have a look into the official documentation : docs.docker.com/compose/overview. The sample docker-compose file declares 2 services "web" and "redis". To start them all together or one by one, you can use docker-compose command. But if you want to create services yourself, your command is also right.
– OlivierTerrien
Jan 1 at 12:39
add a comment |
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