diff --git a/template/stacks/core/forgejo-sso.yaml b/template/stacks/core/forgejo-sso.yaml
new file mode 100644
index 0000000..6402b41
--- /dev/null
+++ b/template/stacks/core/forgejo-sso.yaml
@@ -0,0 +1,29 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: forgejo-sso
+  namespace: argocd
+  labels:
+    env: dev
+  finalizers:
+    - resources-finalizer.argocd.argoproj.io
+spec:
+  project: default
+  source:
+    repoURL: https://{{{ .Env.DOMAIN_GITEA }}}/giteaAdmin/edfbuilder
+    targetRevision: HEAD
+    path: "stacks/core/forgejo-sso"
+  destination:
+    server: "https://kubernetes.default.svc"
+    namespace: gitea
+  syncPolicy:
+    syncOptions:
+      - CreateNamespace=true
+    automated:
+      selfHeal: true
+    retry:
+      limit: -1
+      backoff:
+        duration: 15s
+        factor: 1
+        maxDuration: 15s
\ No newline at end of file
diff --git a/template/stacks/core/forgejo-sso/forgejo-sso-config.yaml b/template/stacks/core/forgejo-sso/forgejo-sso-config.yaml
new file mode 100644
index 0000000..6b4a9f2
--- /dev/null
+++ b/template/stacks/core/forgejo-sso/forgejo-sso-config.yaml
@@ -0,0 +1,60 @@
+---
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: forgejo-config
+  namespace: gitea
+#  annotations:
+#    argocd.argoproj.io/hook: PostSync
+spec:
+  template:
+    metadata:
+      generateName: forgejo-config-
+    spec:
+      # serviceAccountName: forgejo-config
+      restartPolicy: Never
+      containers:
+        - name: push
+          image: docker.io/library/ubuntu:22.04
+          command: ["/bin/bash", "-c"]
+          args:
+            - |
+              #! /bin/bash
+
+              apt-get install git-all
+              wget https://github.com/mikefarah/yq/releases/download/${VERSION}/${BINARY} -O /usr/bin/yq && chmod +x /usr/bin/yq
+
+              DOMAIN=192-168-197-2.c-one-infra.de
+              
+              git clone https://gitea-${DOMAIN}/giteaAdmin/edfbuilder.git
+              cd edfbuilder
+              yq eval ".gitea.oauth = [
+                {
+                  \"name\": \"Keycloak\",
+                  \"provider\": \"openidConnect\",
+                  \"existingSecret\": \"auth-generic-oauth-secret\",
+                  \"autoDiscoverUrl\": \"https://${DOMAIN}/keycloak/realms/cnoe/.well-known/openid-configuration\"
+                }
+              ] |
+                (.gitea.oauth[] | .name) |= (. style=\"single\")
+                |
+                (.gitea.oauth[] | .provider) |= (. style=\"single\")
+                |
+                (.gitea.oauth[] | .existingSecret) |= (. style=\"single\")
+                |
+                (.gitea.oauth[] | .autoDiscoverUrl) |= (. style=\"single\")
+              " -i stacks/core/forgejo/values.yaml
+
+              yq eval '.gitea.config.oauth2_client = 
+                {
+                  "ENABLE_AUTO_REGISTRATION" : true,
+                  "ACCOUNT_LINKING" : "auto"
+                }
+              ' -i stacks/core/forgejo/values.yaml
+              
+              git add stacks/core/forgejo/values.yaml
+              git commit -m "adds Forgejo SSO config"
+              git push
+              
+
+
diff --git a/template/stacks/core/forgejo-sso/secret-forgejo.yaml b/template/stacks/core/forgejo-sso/secret-forgejo.yaml
new file mode 100644
index 0000000..09318c3
--- /dev/null
+++ b/template/stacks/core/forgejo-sso/secret-forgejo.yaml
@@ -0,0 +1,21 @@
+apiVersion: external-secrets.io/v1beta1
+kind: ExternalSecret
+metadata:
+  name: auth-generic-oauth-secret
+  namespace: gitea 
+spec:
+  secretStoreRef:
+    name: keycloak
+    kind: ClusterSecretStore
+  refreshInterval: "0"
+  target:
+    name: auth-generic-oauth-secret
+    template:
+      engineVersion: v2
+      data:
+        client_secret: "{{.FORGEJO_CLIENT_SECRET}}"
+  data:
+    - secretKey: FORGEJO_CLIENT_SECRET
+      remoteRef:
+        key: keycloak-clients
+        property: FORGEJO_CLIENT_SECRET
\ No newline at end of file
diff --git a/template/stacks/core/forgejo/values.yaml b/template/stacks/core/forgejo/values.yaml
index 0cb06cd..bf61379 100644
--- a/template/stacks/core/forgejo/values.yaml
+++ b/template/stacks/core/forgejo/values.yaml
@@ -32,7 +32,7 @@ gitea:
       FROM: forgejo@{{{ .Env.DOMAIN_GITEA }}}
       PROTOCOL: smtp
       SMTP_ADDR: mailhog.mailhog.svc.cluster.local
-      SMTP_PORT: 1025
+      SMTP_PORT: 1025 
 
 service:
   ssh:
diff --git a/template/stacks/ref-implementation/keycloak/manifests/keycloak-config.yaml b/template/stacks/ref-implementation/keycloak/manifests/keycloak-config.yaml
index c1d77a7..6e7c77c 100644
--- a/template/stacks/ref-implementation/keycloak/manifests/keycloak-config.yaml
+++ b/template/stacks/ref-implementation/keycloak/manifests/keycloak-config.yaml
@@ -181,6 +181,34 @@ data:
       ]
     }
 
+  forgejo-client-payload.json: |
+    {
+      "protocol": "openid-connect",
+      "clientId": "forgejo",
+      "name": "Forgejo Client",
+      "description": "Used for Forgejo SSO",
+      "publicClient": false,
+      "authorizationServicesEnabled": false,
+      "serviceAccountsEnabled": false,
+      "implicitFlowEnabled": false,
+      "directAccessGrantsEnabled": true,
+      "standardFlowEnabled": true,
+      "frontchannelLogout": true,
+      "attributes": {
+        "saml_idp_initiated_sso_url_name": "",
+        "oauth2.device.authorization.grant.enabled": false,
+        "oidc.ciba.grant.enabled": false
+      },
+      "alwaysDisplayInConsole": false,
+      "rootUrl": "https://{{{ .Env.DOMAIN_GITEA }}}:443",
+      "baseUrl": "",
+      "redirectUris": [
+        "https://{{{ .Env.DOMAIN_GITEA }}}/*"
+      ],
+      "webOrigins": [
+        "/*"
+      ]
+
   grafana-client-payload.json: |
     {
       "clientId": "grafana",
@@ -400,12 +428,39 @@ spec:
                 -H "Authorization: bearer ${KEYCLOAK_TOKEN}" \
                 -X GET ${KEYCLOAK_URL}/admin/realms/cnoe/clients | jq -e -r  '.[] | select(.clientId == "backstage") | .id')
               
-              CLIENT_SCOPE_GROUPS_ID=$(curl -sS -H "Content-Type: application/json" -H "Authorization: bearer ${KEYCLOAK_TOKEN}" -X GET  ${KEYCLOAK_URL}/admin/realms/cnoe/client-scopes | jq -e -r  '.[] | select(.name == "groups") | .id')
-              curl -sS -H "Content-Type: application/json" -H "Authorization: bearer ${KEYCLOAK_TOKEN}" -X PUT  ${KEYCLOAK_URL}/admin/realms/cnoe/clients/${CLIENT_ID}/default-client-scopes/${CLIENT_SCOPE_GROUPS_ID}
+              CLIENT_SCOPE_GROUPS_ID=$(curl -sS -H "Content-Type: application/json" \
+                -H "Authorization: bearer ${KEYCLOAK_TOKEN}" \
+                -X GET  ${KEYCLOAK_URL}/admin/realms/cnoe/client-scopes | jq -e -r  '.[] | select(.name == "groups") | .id')
+              
+              curl -sS -H "Content-Type: application/json" \
+                -H "Authorization: bearer ${KEYCLOAK_TOKEN}" \
+                -X PUT  ${KEYCLOAK_URL}/admin/realms/cnoe/clients/${CLIENT_ID}/default-client-scopes/${CLIENT_SCOPE_GROUPS_ID}
               
               BACKSTAGE_CLIENT_SECRET=$(curl -sS -H "Content-Type: application/json" \
                 -H "Authorization: bearer ${KEYCLOAK_TOKEN}" \
                 -X GET ${KEYCLOAK_URL}/admin/realms/cnoe/clients/${CLIENT_ID} | jq -e -r '.secret')
+
+              echo "creating Forgejo client"
+              curl -sS -H "Content-Type: application/json" \
+                -H "Authorization: bearer ${KEYCLOAK_TOKEN}" \
+                  -X POST --data @/var/config/forgejo-client-payload.json \
+                  ${KEYCLOAK_URL}/admin/realms/cnoe/clients
+              
+              CLIENT_ID=$(curl -sS -H "Content-Type: application/json" \
+                -H "Authorization: bearer ${KEYCLOAK_TOKEN}" \
+                -X GET ${KEYCLOAK_URL}/admin/realms/cnoe/clients | jq -e -r  '.[] | select(.clientId == "forgejo") | .id')
+              
+              CLIENT_SCOPE_GROUPS_ID=$(curl -sS -H "Content-Type: application/json" \
+                -H "Authorization: bearer ${KEYCLOAK_TOKEN}" \
+                -X GET  ${KEYCLOAK_URL}/admin/realms/cnoe/client-scopes | jq -e -r  '.[] | select(.name == "groups") | .id')
+              
+              curl -sS -H "Content-Type: application/json" \
+                -H "Authorization: bearer ${KEYCLOAK_TOKEN}" \
+                -X PUT  ${KEYCLOAK_URL}/admin/realms/cnoe/clients/${CLIENT_ID}/default-client-scopes/${CLIENT_SCOPE_GROUPS_ID}
+              
+              FORGEJO_CLIENT_SECRET=$(curl -sS -H "Content-Type: application/json" \
+              -H "Authorization: bearer ${KEYCLOAK_TOKEN}" \
+              -X GET ${KEYCLOAK_URL}/admin/realms/cnoe/clients/${CLIENT_ID} | jq -e -r '.secret')  
               
               ARGOCD_PASSWORD=$(./kubectl -n argocd get secret argocd-initial-admin-secret -o go-template='{{.data.password | base64decode }}')
               
@@ -424,6 +479,8 @@ spec:
                 ARGOCD_SESSION_TOKEN: ${ARGOCD_SESSION_TOKEN}
                 BACKSTAGE_CLIENT_SECRET: ${BACKSTAGE_CLIENT_SECRET}
                 BACKSTAGE_CLIENT_ID: backstage
+                FORGEJO_CLIENT_SECRET: ${FORGEJO_CLIENT_SECRET}
+                FORGEJO_CLIENT_ID: forgejo
                 GRAFANA_CLIENT_SECRET: ${GRAFANA_CLIENT_SECRET}
                 GRAFANA_CLIENT_ID: grafana
               " > /tmp/secret.yaml