add converter v1

Dockerfile

@@ -1,7 +1,24 @@
 FROM python:3.9
 WORKDIR /app
+
+# Copy and install Python dependencies
 COPY requirements.txt .
 RUN pip install -r requirements.txt
+
 COPY . .
-RUN apt-get update && apt-get install -y ffmpeg
+
+# Install required packages, add Docker's official GPG key and repository, then install Docker CLI
+RUN apt-get update && apt-get install -y \
+    ca-certificates \
+    curl \
+    gnupg \
+    lsb-release && \
+    install -m 0755 -d /etc/apt/keyrings && \
+    curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc && \
+    chmod a+r /etc/apt/keyrings/docker.asc && \
+    echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
+    $(. /etc/os-release && echo \"$VERSION_CODENAME\") stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null && \
+    apt-get update && \
+    apt-get install -y docker-ce-cli
+
 CMD ["python", "app"]