Revenue By Month:
order_date
2022-01-31     50
2022-02-28    250
2022-03-31     70
2022-04-30    180
2022-05-31    140
2022-06-30    110
Freq: M, Name: revenue, dtype: int64

Revenue By Product:
product_name
Product A    280
Product B    160
Product C    360
Name: revenue, dtype: int64

evenue per Customer:
customer_id
C1    100
C2    160
C3    180
C4    360
Name: revenue, dtype: int64

customer_id
101    40.0
102    45.0
103    30.0
Name: revenue, dtype: float64
..product_name
Product A    50.0
Product B    45.0
Product C    20.0
Name: revenue, dtype: float64
102    45.0
101    40.0
103    30.0
Name: revenue, dtype: float64
customer_id
102    45.0
101    40.0
103    30.0
Name: revenue, dtype: float64
.
----------------------------------------------------------------------
Ran 4 tests in 0.023s

OK

docker build --tag test:v1 -f Dockerfile_test .
docker build --tag python_task:v1 .