When you run docker compose up -d ( Note: in version 2 of Docker Compose you call the docker binary at not the docker-compose python application) and then inspect the resources you see that the memory is limited to 200 MB. Given the following Docker composition you can use the deploy key to limit your containers resources. Nevertheless you can use Docker Compose v2. Stack deploy, and is ignored by docker-compose up and docker-compose This only takes effect when deploying to a swarm with docker Specify configuration related to the deployment and running of Compose does not support 'deploy' configuration - use docker stack deploy to deploy to a swarm. WARNING: Some services (database) use the 'deploy' key, which will be This message is printed when you add the deploy key to you docker-compose.yml file and then run docker-compose up -d It's only respected when you use your version 3 YAML file in a Docker Stack. Otherwise you have to publish the port like this: ports:ĭocker Compose v1 does not support the deploy key. You can 1) specify an external network within an other compose file, or have to create the network with -attachable parameter (docker network create -d overlay My-Network -attachable) If you would like to connect internally only, you have to attach to the network. You can use a standalone one node 'swarm', v3 most improvements (if not all) are for swarm.You can use restart under deploy with on-failure action Expose is not necessary, it will be exposed per default on your stack network.The latter is 8 bytes on a 64-bit system, which confirms that observed memory difference of 8 x 10 = 80MB makes sense.

If you look at V8's source code ( Array::New, Heap::AllocateRawFixedArray, FixedArray::SizeFor), then you'll see that the memory used by an array is a fixed value plus the length multiplied by the size of a pointer.

In this simple example, you can see that allocating an array of 10M elements consumers approximately 80MB (take a look at heapUsed). Here is an example from in Node v0.12.2 on a 64-bit system: $ node -expose-gc

The built-in process module has a method memoryUsage that offers insight in the memory usage of the current Node.js process.

Memory allocated to docker on mac