docs: Environment Variable Seems to be DOCKER_HOST, not DOCKER_SOCK (#2122)

Author: azdle

docs/docs/30-administration/22-backends/10-docker.md

@@ -34,7 +34,7 @@ RUN apk add -U --no-cache docker-credential-ecr-login
 
 ## Podman support
 
-While the agent was developed with Docker/Moby, Podman can also be used by setting the environment variable `DOCKER_SOCK` to point to the Podman socket. In order to work without workarounds, Podman 4.0 (or above) is required.
+While the agent was developed with Docker/Moby, Podman can also be used by setting the environment variable `DOCKER_HOST` to point to the Podman socket. In order to work without workarounds, Podman 4.0 (or above) is required.
 
 ## Image Cleanup
 

docs/versioned_docs/version-1.0/30-administration/22-backends/10-docker.md

@@ -34,7 +34,7 @@ RUN apk add -U --no-cache docker-credential-ecr-login
 
 ## Podman support
 
-While the agent was developed with Docker/Moby, Podman can also be used by setting the environment variable `DOCKER_SOCK` to point to the Podman socket. In order to work without workarounds, Podman 4.0 (or above) is required.
+While the agent was developed with Docker/Moby, Podman can also be used by setting the environment variable `DOCKER_HOST` to point to the Podman socket. In order to work without workarounds, Podman 4.0 (or above) is required.
 
 ## Image Cleanup