Changed build container image to buildkit

Jenkinsfile

@@ -33,11 +33,15 @@ pipeline {
 
         stage('Build & Push Docker') {
             steps {
-                container('docker') {
+                container('buildkitd') {
                 sh '''
-                    docker build -t ${DOCKER_IMAGE} .
+                buildctl build \
-                    echo "${ACR_PASSWORD}" | docker login marcin00.azurecr.io -u ${ACR_USERNAME} --password-stdin
+                  --frontend dockerfile.v0 \
-                    docker push ${DOCKER_IMAGE}
+                  --local context=. \
+                  --local dockerfile=. \
+                  --output type=image,name=${DOCKER_IMAGE},push=true \
+                  --export-cache type=registry,ref=${DOCKER_IMAGE}-cache,mode=max \
+                  --import-cache type=registry,ref=${DOCKER_IMAGE}-cache
                 '''
                 }
             }