+ added docker image with supervisord

docker/Dockerfile

@@ -0,0 +1,33 @@
+# Use the official image as a parent image.
+FROM python:3.8.5-slim-buster
+
+RUN apt-get update && \
+    apt-get upgrade -y && \
+    apt-get install -y git && \
+    apt-get install -y supervisor
+
+# Set the working directory.
+WORKDIR /usr/src
+RUN git clone https://github.com/web64/nlpserver.git
+WORKDIR /usr/src/nlpserver
+
+# Install dependencies
+RUN apt-get -y install pkg-config && \
+ 	apt-get -y install -y python-numpy libicu-dev && \
+ 	apt-get -y install -y python3-pip && \
+ 	python3 -m pip install -r requirements.txt
+
+# Download language models
+RUN polyglot download LANG:en
+
+RUN python3 -m spacy download en && \
+	python3 -m spacy download xx
+
+# Set supervisor config
+COPY nlpserver.conf /etc/supervisor/conf.d
+COPY entrypoint.sh /usr/local/bin/
+RUN chmod +x /usr/local/bin/entrypoint.sh
+
+ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]
+
+EXPOSE 6400

docker/README.md

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+# NLP Server Docker image
+
+Docker slim image with NLP Server
+
+## Image creation
+
+Inside the docker folder run 
+```
+ docker build . --tag nlpserver:1.0
+
+ docker run --publish 6400:6400 --detach --name nlpserver nlpserver:1.0  
+
+```
+
+For CoreNLP on another container run:
+```
+docker run -p 9000:9000 nlpbox/corenlp
+``` 

docker/entrypoint.sh

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+#!/bin/bash
+/usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
+supervisorctl reread
+supervisorctl update
+supervisorctl start nlpserver 

docker/nlpserver.conf

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+[program:nlpserver]
+command=python3 /usr/src/nlpserver/nlpserver.py
+directory=/usr/src/nlpserver/
+autostart=true
+autorestart=unexpected
+stdout_logfile=/var/log/nlpserver.log
+stderr_logfile=/var/log/nlpserver-error.log