docs: use code snippets

container_test.go

@@ -139,6 +139,7 @@ func Test_BuildImageWithContexts(t *testing.T) {
 	testCases := []TestCase{
 		{
 			Name: "test build from context archive",
+			// fromDockerfileWithContextArchive {
 			ContextArchive: func() (io.Reader, error) {
 				var buf bytes.Buffer
 				tarWriter := tar.NewWriter(&buf)
@@ -179,6 +180,7 @@ func Test_BuildImageWithContexts(t *testing.T) {
 
 				return reader, nil
 			},
+			// }
 			ExpectedEchoOutput: "this is from the archive",
 		},
 		{

docker_test.go

@@ -1070,9 +1070,11 @@ func Test_BuildContainerFromDockerfileWithBuildArgs(t *testing.T) {
 	t.Log("getting ctx")
 	ctx := context.Background()
 
+	t.Log("got ctx, creating container request")
+
+	// fromDockerfileWithBuildArgs {
 	ba := "build args value"
 
-	t.Log("got ctx, creating container request")
 	req := ContainerRequest{
 		FromDockerfile: FromDockerfile{
 			Context:    filepath.Join(".", "testdata"),
@@ -1084,6 +1086,7 @@ func Test_BuildContainerFromDockerfileWithBuildArgs(t *testing.T) {
 		ExposedPorts: []string{"8080/tcp"},
 		WaitingFor:   wait.ForLog("ready"),
 	}
+	// }
 
 	genContainerReq := GenericContainerRequest{
 		ProviderType:     providerType,

docs/features/build_from_dockerfile.md

@@ -7,16 +7,9 @@ You can do so by specifying a `Context` (the filepath to the build context on
 your local filesystem) and optionally a `Dockerfile` (defaults to "Dockerfile")
 like so:
 
-```go
-req := ContainerRequest{
-		FromDockerfile: testcontainers.FromDockerfile{
-			Context: "/path/to/build/context",
-			Dockerfile: "CustomDockerfile",
-			Repo: "myrepo",
-			Tag: "mytag",
-		},
-	}
-```
+<!--codeinclude-->
+[Building From a Dockerfile including Repository and Tag](../../from_dockerfile_test.go) inside_block:fromDockerfileIncludingRepo
+<!--/codeinclude-->
 
 As you can see, you can also specify the `Repo` and `Tag` optional fields to use for the image. If not passed, the
 image will be built with a random name and tag.
@@ -31,18 +24,10 @@ ARG FOO
 ```
 You can specify them like:
 
-```go
-val := "BAR" 
-req := ContainerRequest{
-		FromDockerfile: testcontainers.FromDockerfile{
-			Context: "/path/to/build/context",
-			Dockerfile: "CustomDockerfile",
-			BuildArgs: map[string]*string {
-				"FOO": &val,
-			},
-		},
-	}
-```
+<!--codeinclude-->
+[Building From a Dockerfile including build arguments](../../docker_test.go) inside_block:fromDockerfileWithBuildArgs
+<!--/codeinclude-->
+
 ## Dynamic Build Context
 
 If you would like to send a build context that you created in code (maybe you have a dynamic Dockerfile), you can

from_dockerfile_test.go

@@ -22,12 +22,14 @@ func TestBuildImageFromDockerfile(t *testing.T) {
 	ctx := context.Background()
 
 	tag, err := provider.BuildImage(ctx, &ContainerRequest{
+		// fromDockerfileIncludingRepo {
 		FromDockerfile: FromDockerfile{
 			Context:    filepath.Join("testdata"),
 			Dockerfile: "echo.Dockerfile",
 			Repo:       "test-repo",
 			Tag:        "test-tag",
 		},
+		// }
 	})
 	assert.Nil(t, err)
 	assert.Equal(t, "test-repo:test-tag", tag)