prepared app for production (removed global variables, add flask-pymongo as db driver

dockerfiles/python-env/Dockerfile

@@ -1,26 +1,25 @@
-FROM ubuntu:16.04
+FROM ubuntu:18.04
 
 RUN apt-get update --fix-missing
 RUN apt-get install -y \
 vim \
 python3 \
 python3-pip \
-sshfs
+sshfs \
+curl
+
+RUN pip3 install --upgrade pip
 
 RUN pip3 install \
 	lxml \
 	pandas \
 	sklearn \
 	argparse \
+	pyyaml \
 	pathlib \
+	flask \
+	flask_cors \
 	pymongo \
-	flask
-
-RUN apt-get install -y \
-	curl
+	flask-pymongo
 
 ENV PYTHONIOENCODING UTF-8
-
-RUN pip3 install \
-	pyyaml \
-	flask_cors

dockerfiles/python-env/Makefile

@@ -1,4 +1,4 @@
-IMAGE_NAME="cjvt-python-env"
+IMAGE_NAME="cjvt-python-env"  # don't change, used in backend_flask/Makefile
 CNNAME="python-env"
 
 all: build run

dockerfiles/python-env/entrypoint.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+echo "testing entrypoint."
+$(exit 1)
+exit 0