update docker base on PT 1.7 (#6931)

* update docker base on PT 1.7

* fix path

dockers/nvidia/Dockerfile

@@ -12,52 +12,17 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM nvcr.io/nvidia/cuda:11.1.1-runtime-ubuntu20.04
+# https://docs.nvidia.com/deeplearning/frameworks/pytorch-release-notes/rel_21-03.html#rel_21-03
+FROM nvcr.io/nvidia/pytorch:20.12-py3
 
 MAINTAINER PyTorchLightning <https://github.com/PyTorchLightning>
 
 ARG LIGHTNING_VERSION=""
 
-SHELL ["/bin/bash", "-c"]
-# https://techoverflow.net/2019/05/18/how-to-fix-configuring-tzdata-interactive-input-when-building-docker-images/
-ENV \
-    DEBIAN_FRONTEND=noninteractive \
-    TZ=Europe/Prague \
-    PATH="$PATH:/root/.local/bin" \
-    CUDA_TOOLKIT_ROOT_DIR="/usr/local/cuda" \
-    MKL_THREADING_LAYER=GNU
-
-RUN apt-get update -qq && \
-    apt-get install -y --no-install-recommends \
-        build-essential \
-        python3 \
-        python3-distutils \
-        python3-dev \
-        pkg-config \
-        cmake \
-        git \
-        wget \
-        unzip \
-        ca-certificates \
-    && \
-
-# Cleaning
-    apt-get autoremove -y && \
-    apt-get clean && \
-    rm -rf /root/.cache && \
-    rm -rf /var/lib/apt/lists/* && \
-
-# Setup PIP
-    update-alternatives --install /usr/bin/python python /usr/bin/python3 1 && \
-    wget https://bootstrap.pypa.io/get-pip.py --progress=bar:force:noscroll --no-check-certificate && \
-    python get-pip.py && \
-    rm get-pip.py && \
-    pip --version
-
-COPY ./ /home/pytorch-lightning/
+COPY ./ /workspace/pytorch-lightning/
 
 RUN \
-    cd /home  && \
+    cd /workspace  && \
     mv pytorch-lightning/notebooks . && \
     mv pytorch-lightning/pl_examples . && \
     # replace by specific version if asked
@@ -71,9 +36,10 @@ RUN \
 
 # Installations
     python -c "fname = './pytorch-lightning/requirements/extra.txt' ; lines = [line for line in open(fname).readlines() if not line.startswith('horovod')] ; open(fname, 'w').writelines(lines)" && \
-    pip install -r ./pytorch-lightning/requirements/extra.txt -U --no-cache-dir && \
-    pip install -r ./pytorch-lightning/requirements/examples.txt -U --no-cache-dir && \
+    pip install -r ./pytorch-lightning/requirements/extra.txt --no-cache-dir --upgrade-strategy only-if-needed && \
+    pip install -r ./pytorch-lightning/requirements/examples.txt --no-cache-dir --upgrade-strategy only-if-needed && \
     pip install ./pytorch-lightning --no-cache-dir && \
+    pip install "Pillow>=8.1" "torchtext>=0.9.0" ipython[all] --no-cache-dir --upgrade-strategy only-if-needed && \
     rm -rf pytorch-lightning
 
 RUN python --version && \

requirements/examples.txt

@@ -1,2 +1,3 @@
 torchvision>=0.5
 gym>=0.17.0
+ipython[all]