Simple webservice written in Golang without any 3rd party library to process a matrix from csv file and perform some operations.

1. Echo

   • Return the matrix as a string in matrix format.

2. Invert

   • Return the matrix as a string in matrix format where the columns and rows are inverted

3. Flatten

   • Return the matrix as a 1 line string, with values separated by commas.

4. Sum

   • Return the sum of the integers in the matrix

5. Multiply

   • Return the product of the integers in the matrix

Test API with curl

curl -F 'file=@matrix_sample.csv' -v http://localhost:8080/echo

1,2,3
4,5,6
7,8,9

curl -F 'file=@matrix_sample.csv' -v http://localhost:8080/flatten

1,2,3,4,5,6,7,8,9

curl -F 'file=@matrix_sample.csv' -v http://localhost:8080/invert

1,4,7
2,5,8
3,6,9

curl -F 'file=@matrix_sample.csv' -v http://localhost:8080/sum

45

curl -F 'file=@matrix_sample.csv' -v http://localhost:8080/multiply

362880

  go get github.com/iwollmann/gostudy

• Docker Compose

docker-compose up

go1.16.2 linux/amd64