adding MSSQL support

mssql/Dockerfile

@@ -0,0 +1,21 @@
+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