Updated library and dependency versions

Versions of dependent libraries, python version, and set docker image
were updated to match an exact and compatible version with Python 3.7

Author: Filip Saina

src_batch_job/Dockerfile

@@ -1,4 +1,4 @@
-FROM continuumio/miniconda3
+FROM continuumio/miniconda3:4.9.2
 
 # Update the system
 RUN apt-get update && apt-get install -y

src_batch_job/environment.yaml

@@ -3,11 +3,10 @@ channels:
   - conda-forge
   - anaconda
 dependencies:
-  - python=3.6
-  - flask
-  - nomkl
+  - python=3.7
   - pillow=7.1.2
-  - scikit-image
-  - numpy
-  - mxnet-mkl
-  - boto3
+  - scikit-image=0.18.3
+  - numpy=1.20.0
+  - nomkl=2.0
+  - mxnet-mkl=1.5.0
+  - boto3=1.19.11