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#!/usr/bin/env bash
# Copyright (c) 2023, 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.

# Use this script to install KenLM, OpenSeq2Seq decoder, Flashlight decoder, OpenGRM Ngram tool to contaner 

# How to use? Build it from NeMo root folder:
# 1. git clone https://github.com/NVIDIA/NeMo.git && cd NeMo
# 2. DOCKER_BUILDKIT=1 docker build -t nemo:23.03.1 -f ./scripts/installers/Dockerfile.ngramtools .

FROM python:3.11

# Set up a new user named "user" with user ID 1000
RUN useradd -m -u 1000 user

# Switch to the "user" user
USER user

# Set home to the user's home directory
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

RUN --mount=target=/tmp/packages.txt,source=packages.txt 	apt-get update && 	xargs -r -a /tmp/packages.txt apt-get install -y && 	rm -rf /var/lib/apt/lists/*

RUN --mount=target=/tmp/pre-requirements.txt,source=pre-requirements.txt 	pip install --no-cache-dir -r /tmp/pre-requirements.txt

WORKDIR /workspace

RUN git clone https://github.com/NVIDIA/NeMo nemo && cd nemo

RUN pip install --no-cache-dir -e .

RUN --mount=target=/tmp/requirements.txt,source=requirements.txt     pip install --no-cache-dir -r /tmp/requirements.txt

WORKDIR /workspace/nemo

COPY ./install_beamsearch_decoders.sh /workspace/nemo/scripts/asr_language_modeling/ngram_lm/install_beamsearch_decoders.sh

RUN /bin/bash scripts/asr_language_modeling/ngram_lm/install_beamsearch_decoders.sh

# Set the working directory to the user's home directory
WORKDIR $HOME/app

# Copy the current directory contents into the container at $HOME/app setting the owner to the user
COPY --chown=user . $HOME/app

CMD ["python", "app.py"]