MAINTAINER Instruction Being Used

Query id: 99614418-f82b-4852-a9ae-5051402b741c
Query name: MAINTAINER Instruction Being Used
Platform: Dockerfile
Severity: Low
Category: Best Practices
URL: Github

Description¶

The MAINTAINER instruction sets the Author field of the generated images. The LABEL instruction is a much more flexible version of this and you should use it instead, as it enables setting any metadata you require, and can be viewed easily
Documentation

Code samples¶

Code samples with security vulnerabilities¶

Positive test num. 1 - dockerfile file

FROM alpine:3.5
RUN apk add --update py2-pip
RUN pip install --upgrade pip
MAINTAINER "SvenDowideit@home.org.au"
COPY requirements.txt /usr/src/app/
RUN pip install --no-cache-dir -r /usr/src/app/requirements.txt
COPY app.py /usr/src/app/
COPY templates/index.html /usr/src/app/templates/
EXPOSE 5000
CMD ["python", "/usr/src/app/app.py"]

Code samples without security vulnerabilities¶

Negative test num. 1 - dockerfile file

FROM alpine:3.5
RUN apk add --update py2-pip
RUN pip install --upgrade pip
LABEL maintainer="SvenDowideit@home.org.au"
COPY requirements.txt /usr/src/app/
RUN pip install --no-cache-dir -r /usr/src/app/requirements.txt
COPY app.py /usr/src/app/
COPY templates/index.html /usr/src/app/templates/
EXPOSE 5000
CMD ["python", "/usr/src/app/app.py"]