diff --git a/Dockerfile b/Dockerfile
index ffff6ba..e0fb05a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,35 +1,37 @@
-FROM nvidia/cuda:11.8.0-cudnn8-devel-ubuntu22.04 AS stage1
+FROM nvidia/cuda:11.8.0-cudnn8-devel-ubuntu22.04
+
 ARG DEBIAN_FRONTEND=noninteractive
-ARG TZ=America/Los_Angeles
+ARG TZ=UTC
+ARG MINICONDA_VERSION=23.1.0-1
+ARG PYTHON_VERSION=3.9.13
+
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
 RUN apt-get update
-RUN apt install -y curl wget git
+RUN apt install -y curl wget git ffmpeg
 RUN adduser --disabled-password --gecos '' --shell /bin/bash user
 USER user
 ENV HOME=/home/user
 WORKDIR $HOME
 RUN mkdir $HOME/.cache $HOME/.config && chmod -R 777 $HOME
-RUN wget https://repo.anaconda.com/miniconda/Miniconda3-py39_23.1.0-1-Linux-x86_64.sh
-RUN chmod +x Miniconda3-py39_23.1.0-1-Linux-x86_64.sh
-RUN ./Miniconda3-py39_23.1.0-1-Linux-x86_64.sh -b -p /home/user/miniconda
+RUN wget https://repo.anaconda.com/miniconda/Miniconda3-py39_$MINICONDA_VERSION-Linux-x86_64.sh
+RUN chmod +x Miniconda3-py39_$MINICONDA_VERSION-Linux-x86_64.sh
+RUN ./Miniconda3-py39_$MINICONDA_VERSION-Linux-x86_64.sh -b -p /home/user/miniconda
 ENV PATH="$HOME/miniconda/bin:$PATH"
 RUN conda init
-RUN conda install python=3.9.13
+RUN conda install python=$PYTHON_VERSION
 RUN python3 -m pip install --upgrade pip
 RUN pip3 install torch torchvision torchaudio --extra-index-url https://download.pytorch.org/whl/cu118
 
-FROM stage1 AS stage2
-RUN mkdir /home/user/ai-voice-cloning
-WORKDIR /home/user/ai-voice-cloning
+RUN mkdir $HOME/ai-voice-cloning
+WORKDIR $HOME/ai-voice-cloning
 COPY --chown=user:user modules modules
 
-FROM stage2 AS stage3
 RUN python3 -m pip install -r ./modules/tortoise-tts/requirements.txt
 RUN python3 -m pip install -e ./modules/tortoise-tts/
 RUN python3 -m pip install -r ./modules/dlas/requirements.txt
 RUN python3 -m pip install -e ./modules/dlas/
 ADD requirements.txt requirements.txt
 RUN python3 -m pip install -r ./requirements.txt
-ADD --chown=user:user . /home/user/ai-voice-cloning
+ADD --chown=user:user . $HOME/ai-voice-cloning
 
 CMD ["python", "./src/main.py", "--listen", "0.0.0.0:7680"]