diff --git a/.gitignore b/.gitignore
index 2a011a1..51b745f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,9 @@
 /.devcontainer
 /docker-compose.override.yml
 
+# Environment variable files
+.env
+
 # VSCode specific
 *.code-workspace
 /.vscode
diff --git a/docker-compose.yml b/docker-compose.yml
index f7567ee..6956ec0 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,19 +1,19 @@
-version: '3.9'
+version: "3.9"
 
 x-base_service: &base_service
-    ports:
-      - "7860:7860"
-    volumes:
-      - &v1 ./data:/data
-      - &v2 ./output:/output
-    stop_signal: SIGINT
-    deploy:
-      resources:
-        reservations:
-          devices:
-              - driver: nvidia
-                device_ids: ['0']
-                capabilities: [gpu]
+  ports:
+    - "${HOST_PORT:-7860}:7860"
+  volumes:
+    - &v1 "${HOST_DATA_VOL:-./data}:/data"
+    - &v2 "${HOST_OUT_VOL:-./output}:/output"
+  stop_signal: SIGINT
+  deploy:
+    resources:
+      reservations:
+        devices:
+          - driver: nvidia
+            device_ids: ["0"]
+            capabilities: [gpu]
 
 name: webui-docker
 
@@ -30,14 +30,14 @@ services:
     build: ./services/AUTOMATIC1111
     image: sd-auto:56
     environment:
-      - CLI_ARGS=--allow-code --medvram --xformers --enable-insecure-extension-access --api
+      - CLI_ARGS=${AUTO_CLI_ARGS:-"--allow-code --medvram --xformers --enable-insecure-extension-access --api"}
 
   auto-cpu:
     <<: *automatic
     profiles: ["auto-cpu"]
     deploy: {}
     environment:
-      - CLI_ARGS=--no-half --precision full --allow-code --enable-insecure-extension-access --api
+      - CLI_ARGS=${AUTO_CPU_CLI_ARGS:-"--no-half --precision full --allow-code --enable-insecure-extension-access --api"}
 
   invoke: &invoke
     <<: *base_service
@@ -46,14 +46,14 @@ services:
     image: sd-invoke:28
     environment:
       - PRELOAD=true
-      - CLI_ARGS=--xformers
+      - CLI_ARGS=${INVOKE_CLI_ARGS:-"--xformers"}
 
   # invoke-cpu:
   #   <<: *invoke
   #   profiles: ["invoke-cpu"]
   #   environment:
   #     - PRELOAD=true
-  #     - CLI_ARGS=--always_use_cpu
+  #     - CLI_ARGS=${INVOKE_CPU_CLI_ARGS:-"--always_use_cpu"}
 
   comfy: &comfy
     <<: *base_service
@@ -62,12 +62,11 @@ services:
     image: sd-comfy:2
     tty: true
     environment:
-      - CLI_ARGS=
-
+      - CLI_ARGS=${COMFY_CLI_ARGS:-""}
 
   comfy-cpu:
     <<: *comfy
     profiles: ["comfy-cpu"]
     deploy: {}
     environment:
-      - CLI_ARGS=--cpu
+      - CLI_ARGS=${COMFY_CPU_CLI_ARGS:-"--cpu"}
diff --git a/example.env b/example.env
new file mode 100644
index 0000000..c5f79da
--- /dev/null
+++ b/example.env
@@ -0,0 +1,42 @@
+# This file lets you change default settings without editing the docker-compose.yml
+
+# To override settings:
+#   1. Rename this file to ".env" or copy it
+#   2. Uncomment the parts you want to override
+#   3. to use default values, comment the line again
+# Do this while the container is not running
+# Don't forget to move/copy the files to the new location, if you changed mounts
+# You can see the default values in docker-compose.yml
+
+##########################
+###      NETWORK       ###
+##########################
+
+## The port on your machine ##
+#HOST_PORT=7860
+
+##########################
+###       MOUNTS       ###
+##########################
+
+## Models, settings and other persistent files
+#HOST_DATA_VOL=./data
+
+## Target path for generated images ##
+#HOST_OUT_VOL=./output
+
+##########################
+### CONTAINER SETTINGS ###
+##########################
+
+## AUTO + AUTO using CPU ##
+#AUTO_CLI_ARGS=--allow-code --medvram --xformers --enable-insecure-extension-access --api
+#AUTO_CPU_CLI_ARGS=--no-half --precision full --allow-code --enable-insecure-extension-access --api
+
+## Invoke + Invoke using CPU ##
+#INVOKE_CLI_ARGS=--xformers
+#INVOKE_CPU_CLI_ARGS=--always_use_cpu
+
+## Comfy + Comfy using CPU ##
+#COMFY_CLI_ARGS=
+#COMFY_CPU_CLI_ARGS=--cpu