diff --git a/Jenkinsfile_CNP b/Jenkinsfile_CNP
index 00343f9b9..81ba9f862 100644
--- a/Jenkinsfile_CNP
+++ b/Jenkinsfile_CNP
@@ -11,6 +11,8 @@ def component = "send-letter-service"
 
 def channel = '#bsp-build-notices'
 
+env.TESTCONTAINERS_HUB_IMAGE_NAME_PREFIX = 'hmctspublic.azurecr.io/imported/'
+
 secrets = [
   's2s-${env}': [
     secret('microservicekey-send-letter-tests', 'TEST_S2S_SECRET')
diff --git a/Jenkinsfile_nightly b/Jenkinsfile_nightly
index f459970c8..569dacdd8 100644
--- a/Jenkinsfile_nightly
+++ b/Jenkinsfile_nightly
@@ -13,6 +13,8 @@ def component = "send-letter-service"
 
 def channel = '#bsp-build-notices'
 
+env.TESTCONTAINERS_HUB_IMAGE_NAME_PREFIX = 'hmctspublic.azurecr.io/imported/'
+
 secrets = [
   's2s-${env}': [
     secret('microservicekey-send-letter-tests', 'TEST_S2S_SECRET')
diff --git a/README.md b/README.md
index edc565a24..8513462a0 100644
--- a/README.md
+++ b/README.md
@@ -232,4 +232,3 @@ A letter can be in one of the following statuses:
 ## License
 
 This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details
-
diff --git a/docker/database/Dockerfile b/docker/database/Dockerfile
index 0e6f184bb..1c4047cee 100644
--- a/docker/database/Dockerfile
+++ b/docker/database/Dockerfile
@@ -1,4 +1,4 @@
-FROM postgres:16
+FROM hmctspublic.azurecr.io/imported/postgres:16-alpine
 
 MAINTAINER "HMCTS BSP <https://github.com/hmcts>"
 LABEL maintainer = "HMCTS BSP <https://github.com/hmcts>"
diff --git a/docker/sftp/Dockerfile b/docker/sftp/Dockerfile
index 6536d3303..9b46bf5fb 100644
--- a/docker/sftp/Dockerfile
+++ b/docker/sftp/Dockerfile
@@ -1,4 +1,4 @@
-FROM atmoz/sftp:alpine
+FROM hmctspublic.azurecr.io/imported/atmoz/sftp:alpine
 
 COPY keys/keypair.pub /home/sftp/.ssh/keys/keypair.pub
 COPY keys/ssh_host_ed25519_key /etc/ssh/ssh_host_ed25519_key
diff --git a/src/integrationTest/java/uk/gov/hmcts/reform/sendletter/util/TestUploadStorageHelper.java b/src/integrationTest/java/uk/gov/hmcts/reform/sendletter/util/TestUploadStorageHelper.java
index 050639a47..891edc176 100644
--- a/src/integrationTest/java/uk/gov/hmcts/reform/sendletter/util/TestUploadStorageHelper.java
+++ b/src/integrationTest/java/uk/gov/hmcts/reform/sendletter/util/TestUploadStorageHelper.java
@@ -3,9 +3,8 @@
 import com.azure.storage.blob.BlobContainerClient;
 import com.azure.storage.blob.BlobServiceClient;
 import com.azure.storage.blob.BlobServiceClientBuilder;
-import org.testcontainers.containers.DockerComposeContainer;
-
-import java.io.File;
+import org.testcontainers.containers.GenericContainer;
+import org.testcontainers.utility.DockerImageName;
 
 /*
 * The Microsoft Azure storage emulator provides a local environment
@@ -23,7 +22,9 @@ public class TestUploadStorageHelper {
     private static TestUploadStorageHelper INSTANCE;
     public static final String CONTAINER_NAME = "encrypted";
 
-    private static DockerComposeContainer<?> dockerComposeContainer;
+    private static GenericContainer<?> dockerComposeContainer =
+        new GenericContainer<>(DockerImageName.parse("mcr.microsoft.com/azure-storage/azurite:3.29.0"))
+            .withExposedPorts(10000);
     private static String dockerHost;
     public static final String STORAGE_CONN_STRING = "DefaultEndpointsProtocol=http;AccountName=devstoreaccount1;"
         + "AccountKey=Eby8vdM02xNOcqFlqUwJPLlmEtlCDXJ1OUzFT50uSRZ6IFsuFq2UVErCz4I6tq/K1SZFPTOtr/KBHBeksoGMGw==;"
@@ -43,17 +44,19 @@ public static TestUploadStorageHelper getInstance() {
     }
 
     private static void createDocker() {
-        dockerComposeContainer = new DockerComposeContainer<>(
-            new File("src/integrationTest/resources/docker/docker-compose.yml")
-        ).withExposedService("azure-storage", 10000)
-        .withLocalCompose(true);
+        dockerComposeContainer.withEnv("executable", "blob");
+        dockerComposeContainer.withNetworkAliases("azurite");
         dockerComposeContainer.start();
-        dockerHost = dockerComposeContainer.getServiceHost("azure-storage", 10000);
+        dockerHost = dockerComposeContainer.getHost();
     }
 
     private static void initializeStorage() {
         blobServiceClient = new BlobServiceClientBuilder()
-            .connectionString(String.format(STORAGE_CONN_STRING, dockerHost, 10000))
+            .connectionString(String.format(
+                STORAGE_CONN_STRING,
+                dockerHost,
+                dockerComposeContainer.getMappedPort(10000)
+            ))
             .buildClient();
     }