container: drop gcc

Wheels for uvloop are now available, so let's drop gcc from the
container and add uvloop to requirements.txt.

This greatly reduces the container image build time.

Dockerfile

@@ -4,18 +4,10 @@ WORKDIR /app
 
 COPY requirements.txt .
 
-# Install gcc temporarily until wheels for httptools on Python 3.12 are available
-RUN apt-get update && apt-get install -y gcc libmagic1
+RUN apt-get update && apt-get install -y libmagic1 && rm -rf /var/lib/apt/lists/*
 
 RUN --mount=type=cache,target=/root/.cache pip install -r requirements.txt
 
-# Install deps to build uvloop until wheels are released
-RUN apt-get install -y automake git libtool-bin libuv1-dev make && rm -rf /var/lib/apt/lists/*
-
-RUN --mount=type=cache,target=/root/.cache pip install setuptools
-
-RUN --mount=type=cache,target=/root/.cache pip install 'uvloop@git+https://github.com/MagicStack/uvloop.git@9f82bd7'
-
 COPY . .
 
 EXPOSE 8501

requirements.txt

@@ -32,5 +32,6 @@ typing_extensions==4.8.0
 ujson==5.8.0
 urllib3==2.0.6
 uvicorn==0.23.2
+uvloop==0.19.0
 watchfiles==0.20.0
 websockets==11.0.3