@@ -52,7 +52,7 @@ case "$1" in
     pluginhook pre-deploy $APP $IMAGE
 
     # kill the app when running
-    if [[ -f "$DOKKU_ROOT/$APP/PORT" ]]; then
+    if [[ -f "$DOKKU_ROOT/$APP/CONTAINER" ]]; then
       oldid=$(< "$DOKKU_ROOT/$APP/CONTAINER")
       docker kill $oldid > /dev/null
     fi
 
@@ -13,11 +13,14 @@ case "$1" in
     fi
 
     pluginhook pre-delete $APP
-    ID=$(< "$DOKKU_ROOT/$APP/CONTAINER")
+    if [[ -f "$DOKKU_ROOT/$APP/CONTAINER" ]]; then
+      ID=$(< "$DOKKU_ROOT/$APP/CONTAINER")
+
+      docker stop $ID > /dev/null
+      docker rm $ID  > /dev/null
+    fi
 
-    docker stop $ID > /dev/null
     docker images | grep $IMAGE | awk '{print $3}' | xargs docker rmi &> /dev/null &
-    docker rm $ID  > /dev/null
 
     pluginhook post-delete $APP
     ;;
@@ -33,10 +36,14 @@ case "$1" in
         exit 1
     fi
 
-    CONTAINER=$(<$DOKKU_ROOT/$APP/CONTAINER)
-    docker logs $CONTAINER | tail -n 100
-    if [[ $3 == "-t" ]]; then
-      docker attach $CONTAINER
+    if [[ -f "$DOKKU_ROOT/$APP/CONTAINER" ]]; then
+      CONTAINER=$(<$DOKKU_ROOT/$APP/CONTAINER)
+      docker logs $CONTAINER | tail -n 100
+      if [[ $3 == "-t" ]]; then
+        docker attach $CONTAINER
+      fi
+    else
+      echo "Application's container not found"
     fi
     ;;
 
 
@@ -108,7 +108,6 @@ case "$1" in
     APP="$2"; APP_DIR="$DOKKU_ROOT/$APP"
     ENV_ADD=""
     ENV_TEMP=`cat "${ENV_FILE}"`
-    ID=$(< "$APP_DIR/CONTAINER")
     RESTART=false
     VARS="${*:3}"
 
@@ -151,7 +150,6 @@ case "$1" in
 
     APP="$2"; APP_DIR="$DOKKU_ROOT/$APP"
     ENV_TEMP=`cat "${ENV_FILE}"`
-    ID=$(< "$APP_DIR/CONTAINER")
     VARS="${*:3}"
 
     for var in $VARS; do