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renatomefi/Article-dockerfile-unit-testing-cat-passwd.md

Last active February 27, 2019 20:08
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Article-dockerfile-unit-testing-cat-passwd.md 
$ docker build -t alpine-app -f - . <<Dockerfile 
FROM alpine:3.8
RUN addgroup -g 1000 app \
    && adduser -u 1000 -D -G app app
Dockerfile
Sending build context to Docker daemon  69.68kB
Step 1/2 : FROM alpine:3.8
 ---> 491e0ff7a8d5
Step 2/2 : RUN addgroup -g 1000 app     && adduser -u 1000 -D -G app app
 ---> Using cache
 ---> 5fe088289331
Successfully built 5fe088289331
Successfully tagged alpine-app:latest
$ unit docker run --rm alpine-app sh -c "cat /etc/passwd | grep app"
app:x:1000:1000:Linux User,,,:/home/app:/sbin/halt
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