Add application file

Dockerfile

@@ -1,12 +1,28 @@
 FROM python:3.9-slim
 
-WORKDIR /app
+RUN useradd -m -u 1000 user
 
-COPY requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
+USER user
 
-COPY . .
+ENV HOME=/home/user \
+    PATH=/home/user/.local/bin:$PATH
 
-CMD ["python", "main.py"]
+WORKDIR $HOME/app
 
-EXPOSE 7860
+COPY --chown=user requirements.txt .
+RUN pip install --no-cache-dir --upgrade -r requirements.txt
+
+COPY --chown=user . .
+
+RUN --mount=type=secret,id=BOT_TOKEN,mode=0444,required=true \
+   cat /run/secrets/BOT_TOKEN > /test
+
+RUN --mount=type=secret,id=DATABASE_URL,mode=0444,required=true \
+   cat /run/secrets/DATABASE_URL > /test
+
+RUN --mount=type=secret,id=ADMIN_IDS,mode=0444,required=true \
+   cat /run/secrets/ADMIN_IDS > /test
+
+EXPOSE 7860
+
+CMD ["python", "main.py"]