Env
The env trait modifies the environment variables of a component being capable of adding variables, replacing or removing them. The operation can target a container within a component.
The following snippet shows an example application with a component with two containers and the env trait removing and setting environment variables on the sidecar. For more information, check the sidecar trait documentation.
apiVersion: core.oam.dev/v1beta1
kind: Application
metadata:
name: my-app
annotations:
version: "v0.0.1"
description: "My application"
spec:
components:
- name: busybox
type: worker
properties:
image: my-app-image:v1.0.0
cmd: ["cmd"]
traits:
- type: sidecar
properties:
name: container-name
image: my-container-image:v1.0.0
- type: env
properties:
containerName: container-name # (Optional) Specify the name of the target container, if not set, use the component name
env: # (Required) environment variables to merge
key_1: value_1
key_2: value_2
unset: ["ENV_VAR1", ..., "ENV_VARN"] # (Optional) existing variable to
replace: true # (Optional) replace all environment variables