Resolve "More env variables for Azure deployment"

Closes #364

.gitlab-ci.yml

 variables:
   DOCKER_HOST: "tcp://localhost:2375/"
-  DOCKER_TLS_CERTDIR: /certs
-  DOCKER_TLS_VERIFY: 1
+  DOCKER_TLS_CERTDIR: ""
+  DOCKER_TLS_VERIFY: 0
   TAG: "${TAG:-latest}"
   TRIVY_NO_PROGRESS: "true"
   TRIVY_CACHE_DIR: ".trivycache/"
   "_JAVA_OPTIONS": "-Dlogging.level.at.tuwien.=INFO"
 
+before_script:
+  - "printenv"
+
 image: maven:3-openjdk-17
 
 services: