# syntax=docker/dockerfile:experimental | |
# Copyright (c) 2021, NVIDIA CORPORATION. All rights reserved. | |
# | |
# Licensed under the Apache License, Version 2.0 (the "License"); | |
# you may not use this file except in compliance with the License. | |
# You may obtain a copy of the License at | |
# | |
# http://www.apache.org/licenses/LICENSE-2.0 | |
# | |
# Unless required by applicable law or agreed to in writing, software | |
# distributed under the License is distributed on an "AS IS" BASIS, | |
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
# See the License for the specific language governing permissions and | |
# limitations under the License. | |
ARG BASE_IMAGE=nvcr.io/nvidia/nemo:1.4.0 | |
# build an image that includes only the nemo dependencies, ensures that dependencies | |
# are included first for optimal caching, and useful for building a development | |
# image (by specifying build target as `nemo-deps`) | |
FROM ${BASE_IMAGE} as nemo-deps | |
# copy asr service source into a temp directory | |
WORKDIR /tmp/nemo-service | |
COPY . . | |
# override nemo installation with dependency from requirements.txt | |
RUN /bin/echo "export BASE_IMAGE=${BASE_IMAGE}" >> /root/.bashrc | |
RUN cd /tmp/nemo-service && pip install -r "requirements.txt" | |
# copy webapp into container for end user | |
WORKDIR /workspace/nemo-service | |
COPY . /workspace/nemo-service/ | |
# pre-import some asr dependencies which would take time on each worker | |
RUN python -c "import nemo.collections.asr as nemo_asr" | |
# expose port 8000 and launch gunicorn | |
EXPOSE 8000 | |
CMD ["gunicorn", "wsgi:app"] | |