| # 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"] | |