diff --git a/.github/workflows/security-check.yaml b/.github/workflows/security-check.yaml
index bd41e7966..01cd9c71d 100644
--- a/.github/workflows/security-check.yaml
+++ b/.github/workflows/security-check.yaml
@@ -24,6 +24,12 @@ jobs:
       DJANGO_SECRET_KEY: not-a-secret-jw7kQcb35fcDRIKp7K4fqZBmVvb+Sy4nkAGf44DxHi6EJl
       DATABASE_URL: "postgres://not_a_user:not_a_password@not_a_host"
       DJANGO_BASE_URL: "https://not_a_host"
+      REGISTRY_CL_ID: nothing
+      REGISTRY_PASSWORD: nothing
+      REGISTRY_CERT: 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
+      REGISTRY_KEY: 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
+      REGISTRY_KEY_PASSPHRASE: fake
+      REGISTRY_HOSTNAME: localhost
 
     steps:
       - name: Check out
diff --git a/docs/operations/runbooks/rotate_application_secrets.md b/docs/operations/runbooks/rotate_application_secrets.md
index 4ce146ea8..a4ccef43c 100644
--- a/docs/operations/runbooks/rotate_application_secrets.md
+++ b/docs/operations/runbooks/rotate_application_secrets.md
@@ -88,6 +88,9 @@ openssl req -new -x509 -days 365 \
 
 ```
 
+(Hint:
+`docker run --platform=linux/amd64 -it --rm -v $(pwd):/apps -w /apps alpine/openssl`.)
+
 Encode them using:
 
 ```bash
diff --git a/src/docker-compose.yml b/src/docker-compose.yml
index e2b080716..636243617 100644
--- a/src/docker-compose.yml
+++ b/src/docker-compose.yml
@@ -27,22 +27,24 @@ services:
       - DJANGO_DEBUG=True
       # Tell Django where it is being hosted
       - DJANGO_BASE_URL=http://localhost:8080
+      # Set a username for accessing the registry
+      - REGISTRY_CL_ID=nothing
+      # Set a password for accessing the registry
+      - REGISTRY_PASSWORD=nothing
+      # Set a private certifcate for accessing the registry
+      - REGISTRY_CERT=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
+      # Set a private certifcate's key for accessing the registry
+      - REGISTRY_KEY=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
+      # set a passphrase for decrypting the registry key
+      - REGISTRY_KEY_PASSPHRASE=fake
+      # Set a URI for accessing the registry
+      - REGISTRY_HOSTNAME=localhost
       # --- These keys are obtained from `.env` file ---
       # Set a private JWT signing key for Login.gov
       - DJANGO_SECRET_LOGIN_KEY
       # AWS credentials
       - AWS_ACCESS_KEY_ID
       - AWS_SECRET_ACCESS_KEY
-      # Set a username for accessing the registry
-      - REGISTRY_CL_ID
-      # Set a password for accessing the registry
-      - REGISTRY_PASSWORD
-      # Set a private certifcate for accessing the registry
-      - REGISTRY_CERT
-      # Set a private certifcate's key for accessing the registry
-      - REGISTRY_KEY
-      # Set a URI for accessing the registry
-      - REGISTRY_HOSTNAME
     stdin_open: true
     tty: true
     ports: