Introduce multi-stage build in Docker images

Dockerfile.build

@@ -1,8 +1,12 @@
-FROM python:3.10.13
-WORKDIR /home
+FROM python:3.10.13 AS builder
+COPY ./requirements.txt /home
+RUN pip install -r /home/requirements.txt
+
+FROM python:3.10.13-slim-bullseye
 EXPOSE 8080
+WORKDIR /home
+COPY --from=builder /usr/local/lib/python3.10/site-packages /usr/local/lib/python3.10/site-packages
 COPY ./setup.sh /home
-COPY ./requirements.txt /home
-RUN apt-get update && apt-get install -y git \
-    && rm -rf /var/lib/apt/lists/* && pip install -r /home/requirements.txt
+RUN apt-get update && apt-get install -y --no-install-recommends git \
+    && rm -rf /var/lib/apt/lists/* /tmp/*
 ENTRYPOINT ["/home/setup.sh"]

bot.py

@@ -565,6 +565,9 @@ async def post_init(application: Application) -> None:
         ApplicationBuilder()
         .token(BOT_TOKEN)
         .concurrent_updates(True)
+        .read_timeout(10)
+        .connection_pool_size(50000)
+        .pool_timeout(1200.0)
         .rate_limiter(AIORateLimiter(max_retries=5))
         .post_init(post_init)
         .build()

requirements.txt

@@ -9,9 +9,8 @@ wikipedia
 fake_useragent
 openai==0.28.1
 google-api-python-client
-unstructured[md]
-unstructured[pdf]
+unstructured[md,pdf]
 duckduckgo-search==3.8.5
 langchain==0.0.271
 oauth2client==3.0.0
-g4f==0.1.8.7
+g4f==0.1.8.8

setup.sh

@@ -1,5 +1,4 @@
 #!/bin/bash
 set -eu
-rm -rf ChatGPT-Telegram-Bot/
 git clone --depth 1 -b main https://github.com/yym68686/ChatGPT-Telegram-Bot.git
 python -u /home/ChatGPT-Telegram-Bot/bot.py