Draft: Resolve "Extrahovat Gateway z projketu dna-analyser"

Closes #1

.gitlab-ci.yml

-images: eclipse-temurin:17-jdk-alpine
 
 variables:
-  SPRING_PROFILES_ACTIVE: gitlab
+  DOCKER_HOST: $DOCKER_HOST_BIO
+  PROJECT_NAME: "gateway"
+  
+cache:
+  untracked: true
+  key: "$CI_COMMIT_MESSAGE"
+  paths:
+    - .gradle
+    - build
 
 stages:
   - analyse
@@ -37,15 +44,37 @@ code_quality_json:
 # Stage: build
 # ===========================================================================
 
-build-bootJar:
+gradlew-bootJar:
   stage: build
+  image: eclipse-temurin:17-jdk-alpine
   script:
     - ./gradlew bootJar
 
-build-image:
+docker-build-latest:
   stage: build
+  image: docker:git
+  only:
+    refs:
+      - main
+      - 1-extrahovat-gateway-z-projketu-dna-analyser
+  except:
+    variables:
+      - $CI_COMMIT_TAG
+  script:
+    - docker build -t $DOCKER_NAMESPACE/$PROJECT_NAME:latest .
+    - docker save -o build/image.tar $DOCKER_NAMESPACE/$PROJECT_NAME:latest
+
+docker-build-tag:
+  stage: build
+  image: docker:git
+  only:
+    variables:
+      - $CI_COMMIT_TAG
   script:
-    - docker build -t $DOCKER_NAMESPACE/gateway:latest .
+    - docker build -t $DOCKER_NAMESPACE/$PROJECT_NAME:$CI_COMMIT_TAG .
+    - docker save -o build/image.tar $DOCKER_NAMESPACE/gateway:$CI_COMMIT_TAG
+
+
 
 # ===========================================================================
 # Stage: test
@@ -53,6 +82,7 @@ build-image:
 
 verification-unit:
   stage: verification
+  image: eclipse-temurin:17-jdk-alpine
   allow_failure: true
   script:
     - ./gradlew test
@@ -61,28 +91,33 @@ verification-unit:
     reports:
       junit: build/test-results/test/**/TEST-*.xml
 
-verification-env:
-  stage: verification
-  allow_failure: true
-  before_script:
-    - export $(xargs < .env)
-  script:
-    - echo $TAG
-
 # ===========================================================================
 # Stage: publish
 # ===========================================================================
 
-publish:
+docker-push-latest:
   stage: publish
+  image: docker
   only:
-    - master
-    - /^verze_\d+\.\d+\.\d+$/
+    - main
+    - 1-extrahovat-gateway-z-projketu-dna-analyser
+  before_script:
+    - docker login -u $DOCKER_USERNAME -p $DOCKER_PASSWORD
+  script:
+    - docker load -i build/image.tar
+    - docker push $DOCKER_NAMESPACE/$PROJECT_NAME:latest
+
+docker-push-tag:
+  stage: publish
+  image: docker
+  only:
+    variables:
+      - $CI_COMMIT_TAG
   before_script:
-    - export $(xargs < .env)
     - docker login -u $DOCKER_USERNAME -p $DOCKER_PASSWORD
   script:
-    - docker push $DOCKER_NAMESPACE/gateway:$TAG
+    - docker load -i build/image.tar
+    - docker push $DOCKER_NAMESPACE/$PROJECT_NAME:$CI_COMMIT_TAG
 
 # ===========================================================================
 # Stage: deploy