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Containers limitations
Published on 12 October 2021
This section contains usage limits that apply when using Serverless Containers.
Resources | Criteria | Limits | Scope |
---|---|---|---|
Namespaces | Max Number | 100* | Project |
Containers | Max Number | 1000* | Organization |
Total container memory** | Max Size | 600 GiB | Organization |
Image size compressed | Max size | 250 MiB | Container |
Image size uncompressed | Max size | 1 GiB | Container |
Temporary disk size | Max size | 512 MiB | Container |
Invocation rate | Max Number | 1000 per second | Container |
Concurrency | Max | 80 | Container Instance |
Scale (simultaneous Container Instances) | Max | 20 | Container |
Environment Variables | Max Number | 100 | Container + Namespace |
Environment Variables | Max Size | 1000 chars | Environment Variable |
Secret Environment Variables | Max Number | 100 | Container + Namespace |
Secret Environment Variables | Max Size | 65536 bytes | Secret Environment Variable |
Time before scale to zero | Time | 15 minutes | Instance |
Time before scale down | Time | 30 seconds | Instance |
Timeout | Max | 15 minutes | Request |
* Lower limits may apply before account verification. Please contact our support team if you have any questions.
** Total container memory is the sum of the memory allocated to all your containers at their maximum Scale.
These limits are enforced as Account quotas.
Configuration Restrictions
In order to ensure the proper functioning of the product, we restrict the use of certain ports and environment variables
- Blocked ports:
- 25: Due to potential abuse (spam), no outbound traffic is allowed through this port.
- 465: Due to potential abuse (spam), no outbound traffic is allowed through this port.
- Unavailable custom ports
Please don’t make your containers listen on these ports which are used by our service.
- 8008
- 8012
- 8013
- 8022
- 9090
- 9091
- Reserved environment variables:
PORT
: Port on which your server should listen to default is 8080SCW_*
: Reserved for product configuration (for example: token validation)