adding MSSQL support

mssql/Dockerfile

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+FROM microsoft/mssql-server-linux
+
+# Create config directory
+# an set it as WORKDIR
+RUN mkdir -p /usr/src/app
+WORKDIR /usr/src/app
+
+# Bundle app source
+COPY . /usr/src/app
+
+RUN chmod +x /usr/src/app/create_table.sh
+
+ENV MSSQL_DATABASE=$MSSQL_DATABASE
+ENV ACCEPT_EULA=Y
+ENV SA_PASSWORD=$MSSQL_PASSWORD
+
+VOLUME /var/opt/mssql
+
+EXPOSE 1433
+
+CMD /bin/bash ./entrypoint.sh

mssql/create_table.sh

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+#wait for the SQL Server to come up
+sleep 45s
+
+#run the setup script to create the DB and the schema in the DB
+/opt/mssql-tools/bin/sqlcmd -S localhost -U sa -P $SA_PASSWORD -d master -i setup.sql

mssql/entrypoint.sh

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+#start SQL Server, start the script to create the DB and import the data, start the app
+/opt/mssql/bin/sqlservr.sh & /usr/src/app/create_table.sh & tail -f /dev/null

mssql/setup.sql

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+CREATE DATABASE $(MSSQL_DATABASE);
+GO
+USE $(MSSQL_DATABASE);
+GO