diff --git a/config/keycloak/default_realm.json b/config/keycloak/default_realm.json
index b70fd37..15b42a7 100644
--- a/config/keycloak/default_realm.json
+++ b/config/keycloak/default_realm.json
@@ -40,7 +40,6 @@
   "bruteForceProtected": false,
   "permanentLockout": false,
   "maxTemporaryLockouts": 0,
-  "bruteForceStrategy": "MULTIPLE",
   "maxFailureWaitSeconds": 900,
   "minimumQuickLoginWaitSeconds": 60,
   "waitIncrementSeconds": 60,
diff --git a/docker/compose.yaml b/docker/compose.yaml
index 47f6b39..4f73dff 100644
--- a/docker/compose.yaml
+++ b/docker/compose.yaml
@@ -40,30 +40,35 @@ services:
         condition: service_healthy
 
   auth:
-    image: bitnami/keycloak:26.2.5
+    image: quay.io/keycloak/keycloak:26.2.5
     container_name: auth
     env_file:
       - ../.env
+    command: ["start", "--import-realm"]
     volumes:
-      - ../config/keycloak:/opt/bitnami/keycloak/data/import
+      - ../config/keycloak:/opt/keycloak/data/import
     environment:
-      KEYCLOAK_HOSTNAME: ${KEYCLOAK_HOSTNAME:-http://localhost:9083}
-      KC_HTTP_PORT: 8080
-      KC_CACHE: local
-      KEYCLOAK_ADMIN_USER: ${KC_BOOTSTRAP_ADMIN_USERNAME:-admin}
-      KEYCLOAK_ADMIN_PASSWORD: ${KC_BOOTSTRAP_ADMIN_PASSWORD:-admin}
-      KEYCLOAK_DATABASE_HOST: auth-db
-      KEYCLOAK_DATABASE_PORT: 5432
-      KEYCLOAK_DATABASE_NAME: ${POSTGRES_DB:-keycloak}
-      KEYCLOAK_DATABASE_USER: ${POSTGRES_USER:-keycloak}
-      KEYCLOAK_DATABASE_PASSWORD: ${POSTGRES_PASS:-p@ssw0rd}
-      KEYCLOAK_ENABLE_HEALTH_ENDPOINTS: true
-      KEYCLOAK_EXTRA_ARGS: --import-realm
+      KC_HEALTH_ENABLED: ${KC_HEALTH_ENABLED:-true}
+      KC_METRICS_ENABLED: ${KC_METRICS_ENABLED:-true}
+      KC_DB_URL_HOST: auth-db
+      KC_DB_DATABASE: ${POSTGRES_DB:-keycloak}
+      KC_DB_USERNAME: ${POSTGRES_USER:-keycloak}
+      KC_DB_PASSWORD: ${POSTGRES_PASS:-p@ssw0rd}
+      KC_HOSTNAME: ${KC_HOSTNAME:-localhost}
+      KC_HTTP_ENABLED: ${KC_HTTP_ENABLED:-true}
+      KC_HOSTNAME_STRICT_HTTPS: ${KC_HOSTNAME_STRICT_HTTPS:-false}
+      KC_DB: ${KC_DB:-postgres}
+      TZ: ${TZ:-America/Argentina/Buenos_Aires}
+      KC_LOG_LEVEL: ${KC_LOG_LEVEL:-DEBUG}
+      KC_PROXY_HEADERS: ${KC_PROXY_HEADERS:-xforwarded}
+      KEYCLOAK_ADMIN: ${KEYCLOAK_ADMIN:-admin}
+      KEYCLOAK_ADMIN_PASSWORD: ${KEYCLOAK_ADMIN_PASSWORD:-adminpassword}
     healthcheck:
-      test: ["CMD", "curl", "-f", "http://localhost:8080/"]
+      test: ["CMD-SHELL", "exec 3<>/dev/tcp/localhost/9000 && echo -e 'GET /health/ready HTTP/1.0\\r\\nHost: localhost\\r\\n\\r\\n' >&3 && grep -q '200 OK' <&3"]
       interval: 15s
       timeout: 5s
-      retries: 5
+      retries: 10
+      start_period: 40s
     ports:
       - "9083:8080"
     networks:
@@ -72,6 +77,7 @@ services:
     depends_on:
       auth-db:
         condition: service_healthy
+    
 
   auth-db:
     image: postgres:17.5-alpine
diff --git a/internal/ips/client/client.go b/internal/ips/client/client.go
index fb6d927..930d263 100644
--- a/internal/ips/client/client.go
+++ b/internal/ips/client/client.go
@@ -68,7 +68,7 @@ func (c *IpsClient) GetIpsBundle(url string) (map[string]interface{}, error) {
 
 func (c *IpsClient) GetIpsICVP(idBundle string, immunizationId *string) (string, error) {
 	// TODO: To be implemented by the participant
-	return nil, &errors.HttpError{
+	return "", &errors.HttpError{
 		StatusCode: 500,
 		Body:       []map[string]interface{}{{"error": "Not implemented error", "message": "this method is not implemented yet"}},
 		Err:        fmt.Errorf("failed to get document reference"),