diff --git a/packages/api/src/controllers/config.js b/packages/api/src/controllers/config.js
index acd61cccb..bf9f649ac 100644
--- a/packages/api/src/controllers/config.js
+++ b/packages/api/src/controllers/config.js
@@ -37,6 +37,7 @@ module.exports = {
       // hideAppEditor: !!process.env.HIDE_APP_EDITOR,
       allowShellConnection: platformInfo.allowShellConnection,
       allowShellScripting: platformInfo.allowShellConnection,
+      isDocker: platformInfo.isDocker,
       permissions,
       login,
       ...currentVersion,
diff --git a/packages/web/src/modals/ConnectionModal.svelte b/packages/web/src/modals/ConnectionModal.svelte
index f853e5af8..080ec5d99 100644
--- a/packages/web/src/modals/ConnectionModal.svelte
+++ b/packages/web/src/modals/ConnectionModal.svelte
@@ -17,7 +17,7 @@
   import ErrorMessageModal from './ErrorMessageModal.svelte';
   import { writable } from 'svelte/store';
   import FormProviderCore from '../forms/FormProviderCore.svelte';
-  import { extensions } from '../stores';
+  import { extensions, getCurrentConfig } from '../stores';
   import _ from 'lodash';
   import { getDatabaseFileLabel } from '../utility/getConnectionLabel';
   import { apiCall } from '../utility/api';
@@ -27,7 +27,12 @@
   let isTesting;
   let sqlConnectResult;
 
-  const values = writable(connection || { server: 'localhost', engine: 'mssql@dbgate-plugin-mssql' });
+  const values = writable(
+    connection || {
+      server: getCurrentConfig().isDocker ? 'dockerhost' : 'localhost',
+      engine: 'mssql@dbgate-plugin-mssql',
+    }
+  );
 
   $: engine = $values.engine;
   $: driver = $extensions.drivers.find(x => x.engine == engine);
diff --git a/packages/web/src/modals/ConnectionModalDriverFields.svelte b/packages/web/src/modals/ConnectionModalDriverFields.svelte
index 0d1dc6ac3..761aa0d7f 100644
--- a/packages/web/src/modals/ConnectionModalDriverFields.svelte
+++ b/packages/web/src/modals/ConnectionModalDriverFields.svelte
@@ -10,10 +10,11 @@
   import FormSelectField from '../forms/FormSelectField.svelte';
 
   import FormTextField from '../forms/FormTextField.svelte';
-  import { extensions } from '../stores';
+  import { extensions, getCurrentConfig } from '../stores';
   import getElectron from '../utility/getElectron';
   import { useAuthTypes } from '../utility/metadataLoaders';
   import FormColorField from '../forms/FormColorField.svelte';
+  import FontIcon from '../icons/FontIcon.svelte';
 
   const { values } = getFormContext();
   const electron = getElectron();
@@ -101,6 +102,12 @@
       </div>
     {/if}
   </div>
+  {#if getCurrentConfig().isDocker}
+    <div class="row">
+      <FontIcon icon="img warn" padRight />
+      Under docker, localhost and 127.0.0.1 will not work, use dockerhost instead
+    </div>
+  {/if}
 {/if}
 
 {#if showUser && showPassword}