updated dockerfile by adding user and copying files explicitly to work directory

Dockerfile

@@ -14,16 +14,27 @@ COPY ./requirements.txt .
 
 RUN pip install --no-cache-dir -r requirements.txt
 
-COPY ./training/__init__.py ./training/
-COPY ./training/dataset.py ./training/
-COPY ./training/encoder_models.py ./training/
-COPY ./training/decoder_models.py ./training/
-COPY ./training/image_preprocessing.py ./training/
-COPY ./training/logger_utils.py ./training/
-COPY ./training/metrics.py ./training/
-COPY ./training/seg_models.py ./training/
-COPY ./training/image_stats.json ./training/
-COPY ./app.py .
+# User
+RUN useradd -m -u 1000 user
+USER user
+ENV HOME /home/user
+ENV PATH $HOME/.local/bin:$PATH
+
+WORKDIR $HOME
+RUN mkdir app
+WORKDIR $HOME/app
+
+
+COPY ./training/__init__.py $HOME/app/training/
+COPY ./training/dataset.py $HOME/app/training/
+COPY ./training/encoder_models.py $HOME/app/training/
+COPY ./training/decoder_models.py $HOME/app/training/
+COPY ./training/image_preprocessing.py $HOME/app/training/
+COPY ./training/logger_utils.py $HOME/app/training/
+COPY ./training/metrics.py $HOME/app/training/
+COPY ./training/seg_models.py $HOME/app/training/
+COPY ./training/image_stats.json $HOME/app/training/
+COPY ./app.py $HOME/app
 
 EXPOSE 8501