Added Dockerfile for an mssql-db image that includes an odbc connecti…

mssql-db/Dockerfile

@@ -0,0 +1,33 @@
+#-------------------------------------------------------------------------------
+#
+#  Pre-conditions
+#	1) Ports are to be set in the compose file
+#
+#-------------------------------------------------------------------------------
+
+FROM mcr.microsoft.com/mssql/server:2017-latest-ubuntu
+
+# The image comes with a bare minimum Ubuntu distro. Some addidtional software 
+# is needed for apt to work effectively.So, we install & enable apt-file first
+RUN apt-get -y update
+RUN apt-get -y install apt-file
+RUN apt-file -y update
+# And also install apt-utils
+RUN apt-get -y install apt-utils
+
+# The image comes with the unixodbc package preinstalled, but you have to 
+# install the unixodbc-dev package on top of that, in order to accommodate inter-database comms. 
+# Here are the steps to install unixodbc-dev, and a corresponding pgsql driver:
+RUN apt-get -y install unixodbc-dev
+RUN apt-get -y install odbc-postgresql
+
+# We have to configure the odbc connection to postgres, by appending to the /etc/odbc.ini file:
+RUN echo "[WIP] \n\
+Driver     = /usr/lib/x86_64-linux-gnu/odbc/psqlodbcw.so \n\
+Servername = dockerbootstrap_db_1 \n\
+Port       = 5432 \n\
+Database   = wip \n\
+Username   = imqs \n\
+Password   = 1mq5p@55w0rd" >> /etc/odbc.ini
+
+ENTRYPOINT [ "/opt/mssql/bin/sqlservr" ]