adapted build.py to work with flutter projects

bin/build.py

@@ -35,6 +35,23 @@ def get_dockerfile_paths_and_names() -> Dict[str, str]:
     return command_args
 
 
+def is_flutter_project(path: str) -> bool:
+    test_file_path = f"{path}/pubspec.yaml"
+
+    return os.path.exists(test_file_path)
+
+class cd:
+    """Context manager for changing the current working directory"""
+    def __init__(self, newPath):
+        self.newPath = os.path.expanduser(newPath)
+
+    def __enter__(self):
+        self.savedPath = os.getcwd()
+        os.chdir(self.newPath)
+
+    def __exit__(self, etype, value, traceback):
+        os.chdir(self.savedPath)
+
 if __name__ == '__main__':
     p_image_name = None
 
@@ -60,6 +77,20 @@ if __name__ == '__main__':
         path = command_arg['path']
         image_name = f"{DOCKERHUB_REPO_OWNER}/{command_arg['name']}"
 
+        if is_flutter_project(path):
+            with cd(path):
+                print(f"> flutter build web")
+                os.system(f"flutter build web")
+
+            print(f"> docker image build -t {image_name} {path}")
+            exit_val = os.system(f"docker image build -t {image_name} {path}")
+
+            if exit_val != 0:
+                error = exit_val
+            else:
+                print(f"> docker push {image_name}")
+                exit_val = os.system(f"docker push {image_name}")
+        else:
             # copy Dockerfile into root dir to have access to modules folder
             shutil.copy2(os.path.join(path, DOCKER_BUILD_NAME), ROOT)
 

src/dashboard/Dockerfile

 FROM nginx:latest
 EXPOSE 80
 
-COPY ./build/web/ /usr/share/nginx/html/
+COPY ./src/dashboard/build/web/ /usr/share/nginx/html/
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