diff --git a/apps/website/public/canary.sh b/apps/website/public/canary.sh
index 2f48dd4..f07ac3d 100644
--- a/apps/website/public/canary.sh
+++ b/apps/website/public/canary.sh
@@ -29,6 +29,13 @@ install_dokploy() {
         exit 1
     fi
 
+    # check if something is running on port 3000
+    if ss -tulnp | grep ':3000 ' >/dev/null; then
+        echo "Error: something is already running on port 3000" >&2
+        echo "Dokploy requires port 3000 to be available. Please stop any service using this port." >&2
+        exit 1
+    fi
+
     command_exists() {
       command -v "$@" > /dev/null 2>&1
     }
diff --git a/apps/website/public/feature.sh b/apps/website/public/feature.sh
index 55b01f1..6444b37 100644
--- a/apps/website/public/feature.sh
+++ b/apps/website/public/feature.sh
@@ -29,6 +29,13 @@ install_dokploy() {
         exit 1
     fi
 
+    # check if something is running on port 3000
+    if ss -tulnp | grep ':3000 ' >/dev/null; then
+        echo "Error: something is already running on port 3000" >&2
+        echo "Dokploy requires port 3000 to be available. Please stop any service using this port." >&2
+        exit 1
+    fi
+
     command_exists() {
       command -v "$@" > /dev/null 2>&1
     }
diff --git a/apps/website/public/install.sh b/apps/website/public/install.sh
index dc6f61d..a9920f3 100644
--- a/apps/website/public/install.sh
+++ b/apps/website/public/install.sh
@@ -45,6 +45,13 @@ install_dokploy() {
         exit 1
     fi
 
+    # check if something is running on port 3000
+    if ss -tulnp | grep ':3000 ' >/dev/null; then
+        echo "Error: something is already running on port 3000" >&2
+        echo "Dokploy requires port 3000 to be available. Please stop any service using this port." >&2
+        exit 1
+    fi
+
     command_exists() {
       command -v "$@" > /dev/null 2>&1
     }