Replace conda with uv in dstackai/base images

docker/base/Dockerfile

@@ -1,30 +1,26 @@
 FROM nvidia/cuda:12.1.0-base-ubuntu20.04
 
 ARG PYTHON
-ENV PYTHON=$PYTHON
+ARG _UV_HOME="/opt/uv"
+ENV UV_PYTHON="${PYTHON}"
+ENV UV_INSTALL_DIR="${_UV_HOME}/bin"
+ENV UV_PYTHON_INSTALL_DIR="${_UV_HOME}/python"
+ENV UV_PYTHON_BIN_DIR="${UV_PYTHON_INSTALL_DIR}/bin"
+ENV UV_MANAGED_PYTHON=1
 ENV LANG=C.UTF-8 LC_ALL=C.UTF-8
-ENV PIP_ROOT_USER_ACTION=ignore
 
-RUN apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/3bf863cc.pub &&  \
+ENV PATH="${UV_INSTALL_DIR}:${UV_PYTHON_BIN_DIR}:${PATH}"
+
+RUN export DEBIAN_FRONTEND=noninteractive && \
+    apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/3bf863cc.pub && \
     apt-get update --fix-missing && \
-    apt upgrade -y && \
-    export DEBIAN_FRONTEND=noninteractive && \
+    apt-get upgrade -y && \
     ln -fs /usr/share/zoneinfo/America/New_York /etc/localtime && \
     apt-get install -y tzdata && \
     dpkg-reconfigure --frontend noninteractive tzdata && \
     apt-get install -y bzip2 ca-certificates curl build-essential git libglib2.0-0 libsm6 libxext6 libxrender1 mercurial openssh-server subversion wget && \
     sed -i "s/.*PasswordAuthentication.*/PasswordAuthentication no/g" /etc/ssh/sshd_config && mkdir /run/sshd && \
     mkdir ~/.ssh && chmod 700 ~/.ssh && touch ~/.ssh/authorized_keys && chmod 600 ~/.ssh/authorized_keys && rm /etc/ssh/ssh_host_*
 
-RUN wget -O Miniforge3.sh "https://github.com/conda-forge/miniforge/releases/latest/download/Miniforge3-$(uname)-$(uname -m).sh" && \
-    bash Miniforge3.sh -b -p "/opt/conda" && \
-    rm Miniforge3.sh && \
-    ln -s /opt/conda/etc/profile.d/conda.sh /etc/profile.d/conda.sh && \
-    chmod +x /opt/conda/etc/profile.d/conda.sh && \
-    echo ". /opt/conda/etc/profile.d/conda.sh" >> ~/.bashrc && \
-    /opt/conda/condabin/conda update conda --all -y && \
-    /opt/conda/condabin/conda create --name workflow python=${PYTHON} -y && \
-    /opt/conda/condabin/conda config --prepend channels "nvidia/label/cuda-12.1.0" && \
-    /opt/conda/condabin/conda config --set always_yes true && \
-    /opt/conda/condabin/conda clean --all && \
-    echo "conda activate workflow" >> ~/.bashrc
+RUN curl -LsSf https://astral.sh/uv/install.sh | INSTALLER_NO_MODIFY_PATH=1 sh && \
+    uv python install --preview --default

docker/base/devel.Dockerfile

@@ -3,5 +3,4 @@ ARG VERSION
 
 FROM dstackai/base:py$PYTHON-$VERSION-cuda-12.1
 
-RUN /opt/conda/condabin/conda install --name workflow cuda -y && \
-    /opt/conda/condabin/conda clean --all
+RUN DEBIAN_FRONTEND=noninteractive apt-get install -y cuda-12-1