fix: add COMPOSE_FILE env var

.env

@@ -9,8 +9,9 @@ TZ=Etc/UTC
 # Directory configuration. This .env file should be in /opt/docker, using the defaults below.
 # You MUST use absolute paths, otherwise each bind mount would be created relative to each compose file, and not 
 # the current directory
-DOCKER_DATA_DIR=/opt/docker/data
-DOCKER_APP_DIR=/opt/docker/apps
+DOCKER_DIR=/opt/docker
+DOCKER_DATA_DIR=${DOCKER_DIR}/data
+DOCKER_APP_DIR=${DOCKER_DIR}/apps
 
 # The process user ID and group ID to use for applicable containers. 
 # Run 'id' to see your UID and GID
@@ -185,6 +186,8 @@ COMPOSE_PROJECT_NAME=aio
 COMPOSE_REMOVE_ORPHANS=true
 # Delegate building to bake for improved performance. 
 COMPOSE_BAKE=true
+# Defining the location of the compose file.
+COMPOSE_FILE=${DOCKER_DIR}/compose.yaml
 # Whether to change the name of the network that all containers run on or to connect to an external network.
 # Reference: https://docs.docker.com/compose/how-tos/networking/#use-a-pre-existing-network
 DOCKER_NETWORK=aio_network