Add docker mode

docker/Dockerfile

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+FROM maven:3.8.6-jdk-11
+
+RUN apt-get update -y
+RUN apt-get install git -y
+
+RUN mkdir airavata
+WORKDIR /airavata
+
+RUN git clone https://github.com/apache/airavata-custos.git
+RUN git clone https://github.com/apache/airavata-data-lake.git
+RUN git clone https://github.com/apache/airavata-mft.git
+
+WORKDIR /airavata/airavata-custos
+RUN git checkout develop
+RUN mvn install
+
+WORKDIR /airavata/airavata-mft/
+RUN ! mvn install --fail-at-end
+
+WORKDIR /airavata/airavata-data-lake/
+RUN ! mvn install --fail-at-end
+
+WORKDIR /airavata/airavata-mft/scripts
+RUN ["./build.sh"]
+
+RUN touch ../airavata-mft/MFT-Agent-0.01/logs/airavata.log
+RUN printf '#!/bin/bash\n_term() {\n./stop-consul.sh\n./stop-mft.sh\n}\ntrap _term SIGTERM\nif [[ "$1"  == consul ]];then\n  ./start-consul.sh linux\nfi\n./start-mft.sh\n./log.sh agent &\nchild=$!\nwait "$child"' > run.sh
+RUN chmod u+x run.sh
+
+ENTRYPOINT ["./run.sh"]
+CMD ["noconsul"]

docker/Readme.md

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+## Build and run airavata-mft as a docker container
+
+Build the docker image from the directory containing the Dockerfile:
+
+`docker build -t airavata/mft .`
+
+Run the docker image:
+
+`docker run --name mft -d airavata/mft consul`
+
+You can access the command line:
+
+`docker exec -it mft /bin/bash`
+
+You can print the agent logs:
+
+`docker logs -f mft`
+
+## Run multiple agent on the same machine
+
+A _docker-compose.yml_ file is available to run multiple mft agent. It will launch a consul server and _n_ mft agents.
+
+Start the stack:
+
+`docker-compose up -d --scale mft-agent=n`
+
+Get the logs:
+
+`docker-compose logs -f`
+
+Stop every containers:
+
+`docker-compose stop`
+
+Stop and remove every containers:
+
+`docker-compose down`

docker/docker-compose.yml

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+version: '3.8'
+
+services:
+
+  consul-server:
+    image: hashicorp/consul:latest
+    container_name: consul
+    restart: always
+    network_mode: 'host'
+    command: "agent -dev"
+
+  mft-agent:
+    image: airavata/mft
+    restart: always
+    network_mode: 'host'
+    depends_on:
+      - consul-server