Updated to Python 3.7 and Oracle Client 19.6

Dockerfile

@@ -1,5 +1,5 @@
 # INSTALL PYTHON IMAGE
-FROM python:3.6
+FROM python:3.7
 MAINTAINER Peisheng Jiang <egojason@gmail.com>
 
 # INSTALL TOOLS
@@ -22,8 +22,9 @@ ENV OCI_LIB_DIR=/opt/oracle/instantclient
 ENV OCI_INCLUDE_DIR=/opt/oracle/instantclient/sdk/include
 
 # INSTALL INSTANTCLIENT AND DEPENDENCIES
-RUN ./install-instantclient.sh \
-    && pip install -r requirements.txt
+RUN ["/bin/bash",  "./install-instantclient.sh"]
+
+RUN pip install -r requirements.txt
 
 EXPOSE 5000
 

install-instantclient.sh

@@ -1,13 +1,18 @@
 #!/usr/bin/env bash
-unzip instantclient-basic-linux.x64-12.1.0.2.0.zip -d /opt/oracle
-unzip instantclient-sdk-linux.x64-12.1.0.2.0.zip -d /opt/oracle
-mv /opt/oracle/instantclient_12_1 /opt/oracle/instantclient
-ln -s /opt/oracle/instantclient/libclntsh.so.12.1 /opt/oracle/instantclient/libclntsh.so
-ln -s /opt/oracle/instantclient/libocci.so.12.1 /opt/oracle/instantclient/libocci.so
+unzip instantclient-basic-linux.x64-19.6.0.0.0dbru.zip -d /opt/oracle
+unzip instantclient-sdk-linux.x64-19.6.0.0.0dbru.zip -d /opt/oracle
+unzip instantclient-sqlplus-linux.x64-19.6.0.0.0dbru.zip -d /opt/oracle
+unzip instantclient-tools-linux.x64-19.6.0.0.0dbru.zip -d /opt/oracle
+
+rm -rf /opt/oracle/instantclient
+mv /opt/oracle/instantclient_19_6 /opt/oracle/instantclient
+ln -s /opt/oracle/instantclient/libclntsh.so.19.6 /opt/oracle/instantclient/libclntsh.so
+ln -s /opt/oracle/instantclient/libocci.so.19.6 /opt/oracle/instantclient/libocci.so
 
 export ORACLE_HOME="/opt/oracle/instantclient"
 export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$ORACLE_HOME
 
 export OCI_HOME="/opt/oracle/instantclient"
 export OCI_LIB_DIR="/opt/oracle/instantclient"
 export OCI_INCLUDE_DIR="/opt/oracle/instantclient/sdk/include"
+export PATH=$PATH:$ORACLE_HOME