diff --git a/Ductus.FluentDocker.MsTest/FluentDockerTestBase.cs b/Ductus.FluentDocker.MsTest/FluentDockerTestBase.cs
index 968539c..66f81ad 100644
--- a/Ductus.FluentDocker.MsTest/FluentDockerTestBase.cs
+++ b/Ductus.FluentDocker.MsTest/FluentDockerTestBase.cs
@@ -14,13 +14,20 @@ public abstract class FluentDockerTestBase
     [TestInitialize]
     public void Initialize()
     {
-      Container = Build().Build();
+      var containerBuilder = Build();
+
+      this.OnBeforeContainerBuild(containerBuilder);
+
+      Container = containerBuilder.Build();
+
       try
       {
+        this.OnBeforeContainerStart();
         Container.Start();
       }
-      catch
+      catch (Exception ex)
       {
+        this.OnBeforeDispose(Container, ex);
         Container.Dispose();
         throw;
       }
@@ -37,6 +44,7 @@ public void TeardownContainer()
       Container = null;
       try
       {
+        this.OnBeforeDispose(c, null);
         c?.Dispose();
       }
       catch
@@ -52,6 +60,35 @@ protected virtual void OnContainerTearDown()
     {
     }
 
+    /// <summary>
+    ///   Invoked just before the container is built.
+    /// </summary>
+    /// <param name="containerBuilder">The <see cref="ContainerBuilder"/> that is about to be built.</param>
+    protected virtual void OnBeforeContainerBuild(ContainerBuilder containerBuilder)
+    {
+    }
+
+    /// <summary>
+    ///   Invoked just after the container is built and before starting it.
+    /// </summary>
+    protected virtual void OnBeforeContainerStart()
+    {
+    }
+
+    /// <summary>
+    ///   Invoked just before the container is <see cref="System.IDisposable"/>ed.
+    /// </summary>
+    /// <param name="container">The <see cref="IContainerService"/> that is about to be disposed.</param>
+    /// <param name="throwable">The <see cref="Exception"/> that caused the container to be disposed (when starting up).</param>
+    /// <remarks>
+    ///   This method is invoked either when the container fails to start. In such situation the 
+    ///   <paramref name="throwable"/> is not null. It is also called when the test is cleaning up and thus the
+    ///   <paramref name="throwable"/> is null. The <paramref name="container"> is always set since the teardown
+    ///   will clear the <see cref="Container"/> field. Note that the <paramref name="container"/> may still be null!
+    /// </remarks>
+    protected virtual void OnBeforeDispose(IContainerService container, Exception throwable)
+    {
+    }
     /// <summary>
     ///   Invoked after a container has been created and started.
     /// </summary>
diff --git a/Ductus.FluentDocker.XUnit/FluentDockerTestBase.cs b/Ductus.FluentDocker.XUnit/FluentDockerTestBase.cs
index 543585e..5f7da3b 100644
--- a/Ductus.FluentDocker.XUnit/FluentDockerTestBase.cs
+++ b/Ductus.FluentDocker.XUnit/FluentDockerTestBase.cs
@@ -12,13 +12,20 @@ public abstract class FluentDockerTestBase : IDisposable
 
     public FluentDockerTestBase()
     {
-      Container = Build().Build();
+      var containerBuilder = Build();
+
+      this.OnBeforeContainerBuild(containerBuilder);
+
+      Container = containerBuilder.Build();
+
       try
       {
+        this.OnBeforeContainerStart();
         Container.Start();
       }
-      catch
+      catch (Exception ex)
       {
+        this.OnBeforeDispose(Container, ex);
         Container.Dispose();
         throw;
       }
@@ -34,6 +41,7 @@ public void Dispose()
       Container = null;
       try
       {
+        this.OnBeforeDispose(c, null);
         c?.Dispose();
       }
       catch
@@ -49,6 +57,35 @@ protected virtual void OnContainerTearDown()
     {
     }
 
+    /// <summary>
+    ///   Invoked just before the container is built.
+    /// </summary>
+    /// <param name="containerBuilder">The <see cref="ContainerBuilder"/> that is about to be built.</param>
+    protected virtual void OnBeforeContainerBuild(ContainerBuilder containerBuilder)
+    {
+    }
+
+    /// <summary>
+    ///   Invoked just after the container is built and before starting it.
+    /// </summary>
+    protected virtual void OnBeforeContainerStart()
+    {
+    }
+
+    /// <summary>
+    ///   Invoked just before the container is <see cref="System.IDisposable"/>ed.
+    /// </summary>
+    /// <param name="container">The <see cref="IContainerService"/> that is about to be disposed.</param>
+    /// <param name="throwable">The <see cref="Exception"/> that caused the container to be disposed (when starting up).</param>
+    /// <remarks>
+    ///   This method is invoked either when the container fails to start. In such situation the 
+    ///   <paramref name="throwable"/> is not null. It is also called when the test is cleaning up and thus the
+    ///   <paramref name="throwable"/> is null. The <paramref name="container"> is always set since the teardown
+    ///   will clear the <see cref="Container"/> field. Note that the <paramref name="container"/> may still be null!
+    /// </remarks>
+    protected virtual void OnBeforeDispose(IContainerService container, Exception throwable)
+    {
+    }
     /// <summary>
     ///   Invoked after a container has been created and started.
     /// </summary>
diff --git a/global.json b/global.json
index e7d5479..13b8b14 100644
--- a/global.json
+++ b/global.json
@@ -1,7 +1,7 @@
 {
   "$schema": "https://json.schemastore.org/global",
   "sdk": {
-    "version": "6.0.100",
+    "version": "5.0.200",
     "allowPrerelease": false,
     "rollForward": "latestMinor"
   }