Fork it and run using the following commands

docker build -t arijitdas123student/fin-v1-balena

Here is an example of the same

$ docker build -t svendowideit/ambassador .

Sending build context to Docker daemon 15.36 kB

Step 1/4 : FROM alpine:3.2

---> 31f630c65071

Step 2/4 : MAINTAINER [email protected]

---> Using cache

---> 2a1c91448f5f

Step 3/4 : RUN apk update && apk add socat && rm -r /var/cache/

---> Using cache

---> 21ed6e7fbb73

Step 4/4 : CMD env | grep _TCP= | (sed 's/.*_PORT_\([0-9]*\)_TCP=tcp:\/\/\(.*\):\(.*\)/socat -t 100000000 TCP4-LISTEN:\1,fork,reuseaddr TCP4:\2:\3 \&/' && echo wait) | sh

---> Using cache

---> 7ea8aef582cc

Successfully built 7ea8aef582cc