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As a scientific software engineer in the field of radio astronomy, I'm involved in creating, improving and maintaining a broad range of tools used by scientists. These tools are used to process and analyse data coming from various radio telescopes, particularly LOFAR (LOw Frequency ARray) and SKA (Square Kilometre Array). Radio astronomy has a long and rich computing related history, and with that comes a big pile of poorly written, fragile, and badly maintained legacy code. This problem is not unique to radio astronomy but is a common in various scientific fields. Although no quick solution exists when it comes to re-writing lots of legacy code, Docker helps to contain this fragile software, simplifies the installation and ensures that the software works. In this talk I will discuss how Papino, our umbrella project for containing various radio astronomy libraries and RODRIGUES, an online radio telescope simulator leverage Docker.