Feature/update docker support (#319)

* Updated docker image according to discussion on https://github.com/hapifhir/hapi-fhir-jpaserver-starter/pull/305

* Added doc

* Added corrections according to comments

* Update Dockerfile

* Update build-images.yaml

Updated to default to distroless

.github/workflows/build-images.yaml

@@ -19,25 +19,24 @@ jobs:
     name: Build
     runs-on: ubuntu-20.04
     steps:
-      - name: Docker meta
+      - name: Container meta for default (distroless) image
         id: docker_meta
         uses: docker/metadata-action@v3
         with:
           images: ${{ env.IMAGES }}
           tags: |
             type=match,pattern=image-(.*),group=1,enable=${{github.event_name != 'pull_request'}}
-            type=sha
+           
 
-      - name: Docker distroless meta
-        id: docker_distroless_meta
+      - name: Container meta for tomcat image
+        id: docker_tomcat_meta
         uses: docker/metadata-action@v3
         with:
           images: ${{ env.IMAGES }}
           tags: |
             type=match,pattern=image-(.*),group=1,enable=${{github.event_name != 'pull_request'}}
-            type=sha
           flavor: |
-            suffix=-distroless,onlatest=true
+            suffix=-tomcat,onlatest=true
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v1
@@ -60,7 +59,7 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-buildx-
 
-      - name: Build and push
+      - name: Build and push default (distroless) image
         id: docker_build
         uses: docker/build-push-action@v2
         with:
@@ -70,15 +69,16 @@ jobs:
           tags: ${{ steps.docker_meta.outputs.tags }}
           labels: ${{ steps.docker_meta.outputs.labels }}
           platforms: ${{ env.PLATFORMS }}
+          target: default
 
-      - name: Build and push distroless
-        id: docker_build_distroless
+      - name: Build and push tomcat image
+        id: docker_build_tomcat
         uses: docker/build-push-action@v2
         with:
           cache-from: type=local,src=/tmp/.buildx-cache
           cache-to: type=local,dest=/tmp/.buildx-cache
           push: ${{ github.event_name != 'pull_request' }}
-          tags: ${{ steps.docker_distroless_meta.outputs.tags }}
-          labels: ${{ steps.docker_distroless_meta.outputs.labels }}
+          tags: ${{ steps.docker_tomcat_meta.outputs.tags }}
+          labels: ${{ steps.docker_tomcat_meta.outputs.labels }}
           platforms: ${{ env.PLATFORMS }}
-          target: release-distroless
+          target: tomcat