add checking for directories

Dockerfile

@@ -12,10 +12,6 @@ RUN pip install -r /app/requirements.txt
 COPY . /app/
 
 WORKDIR /app/
-RUN mkdir -p /app/logs
-RUN mkdir -p /app/docx
-RUN mkdir -p /app/json
-RUN mkdir -p /app/html
 VOLUME /app/logs
 
-CMD python /app/src/consumer.py
+CMD python /app/src/util/check_dirs.py && python /app/src/consumer.py

src/util/check_dirs.py

@@ -0,0 +1,35 @@
+import argparse
+import os
+
+
+def parse_args():
+    parser = argparse.ArgumentParser(description="Utility for folders's clean up.")
+    parser.add_argument('-f', '--folders', type=str, nargs='*', help='Names of the folders to be cleaned.')
+
+    args = parser.parse_args()
+    return args
+
+
+def check_dir(dir_path):
+    if not os.path.exists(dir_path):
+        try:
+            os.mkdir(dir_path)
+        except OSError as exc:
+            raise exc
+
+
+if __name__ == '__main__':
+    folders = parse_args().folders
+    if not folders:
+        folders = ['docx', 'html', 'json', 'logs', 'config']
+
+    folder_path = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+    folders = [os.path.join(folder_path, folder) for folder in folders]
+
+    try:
+        for folder in folders:
+            check_dir(folder)
+
+    except OSError as exc:
+        print(exc)
+        raise