Revert "replaced cockroach with postgres"

This reverts commit 96cf271fb8.

e2e/config/host.docker.internal/zitadel.yaml

@@ -5,23 +5,12 @@ ExternalDomain: host.docker.internal
 ExternalSecure: false
 
 Database:
-  postgres:
+  cockroach:
     # This makes the e2e config reusable with an out-of-docker zitadel process and an /etc/hosts entry
-    Host: host.docker.internal
-    Port: 5432
+    Host:  host.docker.internal
+    EventPushConnRatio: 0.2
     MaxOpenConns: 15
     MaxIdleConns: 10
-    Database: zitadel
-    User:
-      Username: zitadel
-      Password: zitadel
-      SSL:
-        Mode: disable
-    Admin:
-      Username: postgres
-      Password: postgres
-      SSL:
-        Mode: disable
 
 TLS:
   Enabled: false

e2e/config/localhost/docker-compose.yaml

@@ -30,15 +30,14 @@ services:
 
   db:
     restart: 'always'
-    image: 'postgres:17-alpine'
-    environment:
-      - POSTGRES_USER=postgres
-      - POSTGRES_PASSWORD=postgres
+    image: 'cockroachdb/cockroach:latest-v24.3'
+    command: 'start-single-node --insecure --http-addr :9090'
     healthcheck:
-      test: ["CMD-SHELL", "pg_isready", "-d", "zitadel", "-U", "postgres"]
+      test: ['CMD', 'curl', '-f', 'http://localhost:9090/health?ready=1']
       interval: '10s'
       timeout: '30s'
       retries: 5
       start_period: '20s'
     ports:
-      - "5432:5432"
+      - "26257:26257"
+      - "9090:9090"

e2e/config/localhost/zitadel.yaml

@@ -5,24 +5,12 @@ ExternalDomain: localhost
 ExternalSecure: false
 
 Database:
-  postgres:
+  cockroach:
     # This makes the e2e config reusable with an out-of-docker zitadel process and an /etc/hosts entry
     Host: host.docker.internal
-    Port: 5432
-    database: zitadel
+    EventPushConnRatio: 0.2
     MaxOpenConns: 15
     MaxIdleConns: 10
-    Database: zitadel
-    User:
-      Username: zitadel
-      Password: zitadel
-      SSL:
-        Mode: disable
-    Admin:
-      Username: postgres
-      Password: postgres
-      SSL:
-        Mode: disable
 
 TLS:
   Enabled: false