Dreaming of water in container is a bad dream as per dream meaning and interpretation. The dream means there will be stagnation. You will not see any progress in near future. Your over protective nature and unwillingness to try out new things will result in dormancy.
The dream is asking you come out of the well and taste new things. It is asking you to shed your fear and apprehension and take risk.
Dream of water in container also means your travel plans will not be a success. The journey might not even happen.
Seeing yourself in a container of water means it is time for you to come out of other people’s shadow. It is a kind of warning that you are being exploited by other people. Depending on your current situation it might also mean you are burden for someone.