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diff --git a/Dockerfile b/Dockerfile
index 6cd4e35..f6a71a7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
-FROM amazoncorretto:17-alpine-jdk
+FROM cimg/openjdk:17.0.11
 
 ENV SPRING_PROFILES_ACTIVE production
-ENV ANTIVIRUS_ENABLED true
+ENV ANTIVIRUS_ENABLED false
 
 EXPOSE 9000
 
diff --git a/README.md b/README.md
index 5e72320..98d9c92 100644
--- a/README.md
+++ b/README.md
@@ -8,9 +8,36 @@ This is an intentionally very simple service for storing files as there is cross
 requirements with ETD. Work needs to be done to review and potentially consolidate the two 
 projects.
 
-## Configuration
+### Architecture diagram
 
-Application configuration can be found in `application.yml`. Some of these properties 
+Partial C4 Container model diagram of the Notarial Marriage service.
+
+```mermaid
+C4Container
+    title Container Diagram - FCDO Marriage Service
+
+    System_Boundary(marriageService, "FCDO Marriage Service") {
+        System(existing, "Existing CYB Marriage Frontend", "Existing web application providing <br> journey for marriage document applications")
+        
+        System(frontend, "Notarial Marriage Frontend", "Web application providing journey <br> for marriage document applications")
+
+        System(documentUpload, "Document Upload", "Handles file uploads and document")
+    }
+
+    Rel(applicant, frontend, "Applies for marriage document", "HTTPS")
+    Rel(frontend, existing, "Redirects", "HTTPS")
+    Rel(frontend, documentUpload, "Uploads supporting documents", "HTTPS/API")
+    Rel(existing, documentUpload, "Redirects", "HTTPS")
+    Rel(existing, documentUpload, "Uploads supporting documents", "HTTPS/API")
+
+    UpdateLayoutConfig($c4ShapeInRow="2", $c4BoundaryInRow="1")
+```
+
+## Setting up the service
+
+### Configuration
+
+Application configuration can be found in `src/main/resources/application.yml`. Some of these properties 
 can be overridden at deployment time using environment variables.  
 
 | Environment variable   | Default                                 | Description                                                                                                                                    |
@@ -27,6 +54,51 @@ can be overridden at deployment time using environment variables.
 | SHARPNESS_THRESHOLD    | 60                                      | Threshold, in %, an image's sharpness must meet to pass quality check                                                                          |
 | SPRING_PROFILES_ACTIVE | `development`                           | Only needs to be set to "development" when running in docker with [localstack](https://github.com/localstack) for a mock local AWS environment |
 
+### Installation
+
+This repository is private, you will need access to UKForeignOffice to access it.
+
+```bash
+git clone https://github.com/UKForeignOffice/document-upload.git
+
+cd document-upload
+```
+
+#### Local development
+
+In `Dockerfile`, change the image to `cimg/openjdk:17.0.11`.
+
+In `docker-compose.yml`, change the `clamav` service `image: clamav/clamav:1.4.3`.
+In `docker-compose.yml`, add to the `clamav` service `platform: linux/amd64`.
+
+```bash
+./gradlew clean build
+```
+
+## Using the service
+
+### Run
+
+```bash
+docker compose up --build
+```
+
+### Endpoints
+
+1. `GET` `/v1/files/{id}` - Get a file by id
+
+```bash
+curl http://localhost:9000/v1/files/4ec76a9f310e0ee531.jpg
+```
+
+2. `POST` `/v1/files` - Scans and stores the files for viruses
+
+```bash
+curl -X POST -F \
+"files=@/path/to/file/4ec76a9f310e0ee531.jpg" \
+http://localhost:9000/v1/files
+```
+
 ## AntiVirus
 
 Scanning inbound files for viruses is supported by integration with ClamAV. An example
diff --git a/docker-compose.yml b/docker-compose.yml
index 1cb9a9e..8438d28 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,11 +2,11 @@ version: "3.4"
 
 services:
   clamav:
-    image: quay.io/ukhomeofficedigital/clamav:latest
+    image: clamav/clamav:1.4.3
+    platform: linux/amd64
     ports:
       - 3310:3310
   api:
     build: .
     ports:
       - 9000:9000
-
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