HDDS-11590. Unexpected character - in Docker Compose env_file variabl…

…e names (#38)

docker-compose.yaml

@@ -14,45 +14,62 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+x-image:
+   &image
+   image: ${OZONE_IMAGE:-apache/ozone}:${OZONE_IMAGE_VERSION:-1.4.1}${OZONE_IMAGE_FLAVOR:--rocky}
+
+x-common-config:
+   &common-config
+   OZONE-SITE.XML_hdds.datanode.dir: "/data/hdds"
+   OZONE-SITE.XML_ozone.metadata.dirs: "/data/metadata"
+   OZONE-SITE.XML_ozone.om.address: "om"
+   OZONE-SITE.XML_ozone.om.http-address: "om:9874"
+   OZONE-SITE.XML_ozone.recon.address: "recon:9891"
+   OZONE-SITE.XML_ozone.recon.db.dir: "/data/metadata/recon"
+   OZONE-SITE.XML_ozone.replication: "1"
+   OZONE-SITE.XML_ozone.scm.block.client.address: "scm"
+   OZONE-SITE.XML_ozone.scm.client.address: "scm"
+   OZONE-SITE.XML_ozone.scm.datanode.id.dir: "/data"
+   OZONE-SITE.XML_ozone.scm.names: "scm"
+   no_proxy: "om,recon,scm,s3g,localhost,127.0.0.1"
+
 version: "3"
 services:
    datanode:
-      image: ${OZONE_IMAGE}:${OZONE_IMAGE_VERSION}${OZONE_IMAGE_FLAVOR}
+      <<: *image
       ports:
          - 9864
       command: ["ozone","datanode"]
-      env_file:
-         - ./docker-config
+      environment:
+         <<: *common-config
    om:
-      image: ${OZONE_IMAGE}:${OZONE_IMAGE_VERSION}${OZONE_IMAGE_FLAVOR}
+      <<: *image
       ports:
          - 9874:9874
       environment:
+         <<: *common-config
          ENSURE_OM_INITIALIZED: /data/metadata/om/current/VERSION
          WAITFOR: scm:9876
-      env_file:
-         - ./docker-config
       command: ["ozone","om"]
    scm:
-      image: ${OZONE_IMAGE}:${OZONE_IMAGE_VERSION}${OZONE_IMAGE_FLAVOR}
+      <<: *image
       ports:
          - 9876:9876
-      env_file:
-         - ./docker-config
       environment:
+         <<: *common-config
          ENSURE_SCM_INITIALIZED: /data/metadata/scm/current/VERSION
       command: ["ozone","scm"]
    recon:
-      image: ${OZONE_IMAGE}:${OZONE_IMAGE_VERSION}${OZONE_IMAGE_FLAVOR}
+      <<: *image
       ports:
          - 9888:9888
-      env_file:
-         - ./docker-config
+      environment:
+         <<: *common-config
       command: ["ozone","recon"]
    s3g:
-      image: ${OZONE_IMAGE}:${OZONE_IMAGE_VERSION}${OZONE_IMAGE_FLAVOR}
+      <<: *image
       ports:
          - 9878:9878
-      env_file:
-         - ./docker-config
+      environment:
+         <<: *common-config
       command: ["ozone","s3g"]