Add variables to .env to configure the data- and config directory

That adds an way of having the volumes configured easily.

deployments/examples/ocis_full/.env

@@ -58,6 +58,10 @@ LOG_LEVEL=
 # The default log can be read by machines.
 # Set this to true to make the log human readable.
 # LOG_PRETTY=true
+# Define the oCIS storage location. Set the pathes for config and data to a local path
+# Note that this can grow big. Leaving it unset stores data in docker internal volumes.
+# OCIS_CONFIG_DIR=/your/local/ocis/config
+# OCIS_DATA_DIR=/your/local/ocis/data
 
 # S3 Storage configuration - optional
 # Infinite Scale supports S3 storage as primary storage.

deployments/examples/ocis_full/ocis.yml

@@ -55,8 +55,8 @@ services:
       - ./config/ocis/app-registry.yaml:/etc/ocis/app-registry.yaml
       - ./config/ocis/csp.yaml:/etc/ocis/csp.yaml
       - ./config/ocis/banned-password-list.txt:/etc/ocis/banned-password-list.txt
-      - ocis-config:/etc/ocis
-      - ocis-data:/var/lib/ocis
+      - ${OCIS_CONFIG_DIR:-ocis-config}:/etc/ocis
+      - ${OCIS_DATA_DIR:-ocis-data}:/var/lib/ocis
     labels:
       - "traefik.enable=true"
       - "traefik.http.routers.ocis.entrypoints=https"

docs/ocis/deployment/ocis_full.md

@@ -129,6 +129,10 @@ See also [example server setup]({{< ref "preparing_server" >}})
   # The default log can be read by machines.
   # Set this to true to make the log human readable
   # LOG_PRETTY=true
+  # Define the oCIS storage location. Set the pathes for config and data to a local path
+  # Note that this can grow big. Leaving it unset stores data in docker internal volumes.
+  # OCIS_CONFIG_DIR=/your/local/ocis/config
+  # OCIS_DATA_DIR=/your/local/ocis/data
 
   # S3 Storage configuration
   #