fix(issue-9): No Dockerfile to build service

Taskfile.yml

@@ -67,6 +67,16 @@ tasks:
       - task: build_background
       - task: build_web
 
+  build_docker:
+    desc: "Build the kuriousweb Docker image locally (no push)"
+    cmds:
+      - >-
+        docker build
+        --build-arg VERSION={{.GIT_VERSION}}
+        --build-arg COMMIT={{.GIT_COMMIT}}
+        --build-arg BUILD_TIME={{.BUILD_TIME}}
+        -t kuriousweb .
+
   run:
     deps: [build]
     cmds: