travis add docker

Author: jvmlet

.travis.yml

@@ -12,6 +12,10 @@ cache:
 services:
   - docker
 before_install:
+  - docker pull quay.io/keycloak/keycloak:25.0.6
+  - docker pull consul:1.15
+  - docker pull slyncio/grpc-health-probe:latest
+  - docker pull postgres:17-alpine
   - chmod +x ./publish.sh
   - "openssl aes-256-cbc -K $encrypted_12c8071d2874_key -iv $encrypted_12c8071d2874_iv -in codesigning.asc.enc -out codesigning.asc -d && gpg --import ./codesigning.asc || echo"
 install: true # disables default "./gradlew assemble"  install script