tidy up

dockerfiles/python-java/Dockerfile

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+FROM ubuntu:16.04
+
+RUN apt-get update
+RUN apt-get install -y \
+vim \
+default-jdk \
+python3 \
+python3-pip
+
+RUN pip3 install lxml pandas
+
+ENV PYTHONIOENCODING UTF-8

dockerfiles/python-java/Makefile

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+IMAGE_NAME="python-java"
+
+all: build run
+
+build:
+	docker build . -t $(IMAGE_NAME)
+
+run:
+	docker run \
+    	-it \
+    	-v $(shell pwd)/../../:/cjvt-srl-tagging \
+    	python-java \
+    	/bin/bash

dockerfiles/python-java/README.md

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+You might want to mount this whole repo into the docker container.  
+Also mount data locations.  
+
+Example container:
+```bash
+$ docker build . -t my_python
+$ docker run \
+    -it \
+    -v $(echo $(cd ../..; pwd)):/cjvt-srl-tagging \
+    python_java \
+    /bin/bash
+```
+
+## Usage
+Run `make` from this directory, to build and run.