The following table shows**MINIMUM** resources for each component:

{: .table .table-bordered .table-hover}

| Component | Minimum CPU| Minimum Memory | Space | Type | Always on

| Component| Minimum CPU| Minimum Memory| Space| Type| Always on|

| --------------| --------------|-------------|-------------------------|-------|-------|

|`runner`| 100m| 100Mi| Doesn't need PV| Pod| Yes|

|`engine`| 100m| 500Mi| Doesn't need PV| Pod| No|

You also need to decide what[authentication method](https://www.vaultproject.io/docs/auth) Codefresh will use. The following methods are supported:

---|---

[Username/Password](https://www.vaultproject.io/docs/auth/userpass)|Available in SaaS and Hybrid customers

[Access Token](https://www.vaultproject.io/docs/auth/token)|Available in SaaS and Hybrid customers

[Kubernetes](https://www.vaultproject.io/docs/auth/kubernetes)|Only available in[Hybrid installation]({{site.baseurl}}/docs/administration/behind-the-firewall/)

[Google Cloud Engine](https://www.vaultproject.io/docs/auth/gcp)|Only available in[Hybrid installation]({{site.baseurl}}/docs/administration/behind-the-firewall/)

[App Role]()|Available in SaaS and Hybrid customers

{: .table .table-bordered .table-hover}

| Method| Notes|

|---|---|

|[Username/Password](https://www.vaultproject.io/docs/auth/userpass)|Available in SaaS and Hybrid customers|

|[Access Token](https://www.vaultproject.io/docs/auth/token)|Available in SaaS and Hybrid customers|

|[Kubernetes](https://www.vaultproject.io/docs/auth/kubernetes)|Only available in[Hybrid installation]({{site.baseurl}}/docs/administration/behind-the-firewall/)|

|[Google Cloud Engine](https://www.vaultproject.io/docs/auth/gcp)|Only available in[Hybrid installation]({{site.baseurl}}/docs/administration/behind-the-firewall/)|

|[App Role](https://www.vaultproject.io/docs/auth/approle)|Available in SaaS and Hybrid customers|