diff --git a/.helm/adhoc/certificate-atlases-ebrains.yaml b/.helm/adhoc/certificate-atlases-ebrains.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..c4b1cfcf7691be610f4db502c3abdb5f65f2fb24
--- /dev/null
+++ b/.helm/adhoc/certificate-atlases-ebrains.yaml
@@ -0,0 +1,21 @@
+apiVersion: cert-manager.io/v1
+kind: Certificate
+metadata:
+  name: atlases-ebrains-certificate
+spec:
+  secretName: atlases-ebrains-secret
+  renewBefore: 120h 
+  commonName: atlases.ebrains.eu
+  isCA: false
+  privateKey:
+    algorithm: RSA
+    encoding: PKCS1
+    size: 2048
+  usages:
+  - server auth
+  dnsNames:
+  # (CHANGE ME! same as `commonName`)
+  - atlases.ebrains.eu
+  issuerRef:
+    name: letsencrypt-production-issuer-1
+    kind: ClusterIssuer 
\ No newline at end of file
diff --git a/.helm/adhoc/ingress-main.yml b/.helm/adhoc/ingress-main.yml
index 230fcf5aa9ee631a6bfb78535f8204f40a5d51e6..1b67c540230ee7ab131c7211e47b89bf68c1e677 100644
--- a/.helm/adhoc/ingress-main.yml
+++ b/.helm/adhoc/ingress-main.yml
@@ -54,6 +54,30 @@ spec:
             name: expmt-siibra-explorer
             port: 
               number: 8080
+  - host: atlases.ebrains.eu
+    http:
+      paths:
+      - pathType: Prefix
+        path: "/viewer"
+        backend:
+          service:
+            name: prod-siibra-explorer
+            port: 
+              number: 8080
+      - pathType: Prefix
+        path: "/viewer-staging"
+        backend:
+          service:
+            name: rc-siibra-explorer
+            port: 
+              number: 8080
+      - pathType: Prefix
+        path: "/viewer-expmt"
+        backend:
+          service:
+            name: expmt-siibra-explorer
+            port: 
+              number: 8080
   tls:
   - secretName: siibra-explorer-prod-secret
     hosts:
@@ -61,3 +85,6 @@ spec:
   - secretName: sxplr-ebrains-secret
     hosts:
     - siibra-explorer.apps.ebrains.eu
+  - secretName: atlases-ebrains-secret
+    hosts:
+    - atlases.ebrains.eu