diff --git a/docker-compose.yml b/docker-compose.yml
index bc87fc0..7e63f93 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -6,5 +6,11 @@ services:
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock
     command: --interval 30
-    env_file:
-      - stack.env
+    environment:
+      - WATCHTOWER_NOTIFICATION_SLACK_CHANNEL="#alerts"
+      - WATCHTOWER_NOTIFICATION_SLACK_HOOK_URL="https://hooks.slack.com/services/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"
+      - WATCHTOWER_NOTIFICATION_SLACK_IDENTIFIER=${HOSTNAME}
+      - WATCHTOWER_NOTIFICATIONS="slack"
+      - WATCHTOWER_POLL_INTERVAL=60
+      - WATCHTOWER_RUN_ONCE=false
+      - WATCHTOWER_WARN_ON_HEAD_FAILURE=never
diff --git a/stack.env b/stack.env
deleted file mode 100644
index 15775c5..0000000
--- a/stack.env
+++ /dev/null
@@ -1,7 +0,0 @@
-WATCHTOWER_NOTIFICATION_SLACK_CHANNEL=#alerts
-WATCHTOWER_NOTIFICATION_SLACK_HOOK_URL=https://hooks.slack.com/services/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
-WATCHTOWER_NOTIFICATION_SLACK_IDENTIFIER=${HOSTNAME}
-WATCHTOWER_NOTIFICATIONS=slack
-WATCHTOWER_POLL_INTERVAL=60
-WATCHTOWER_RUN_ONCE=false
-WATCHTOWER_WARN_ON_HEAD_FAILURE=never