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Update Dockerfile according to the best practices 

To avoid issues with docker layer caching apt update and apt install should be run in one step.


https://docs.docker.com/develop/develop-images/dockerfile_best-practices/
This commit is contained in:
Johannes 2020-11-13 22:03:25 +01:00 committed by GitHub
parent 6e73ec92b8
commit 9cd72e6ba3
1 changed files with 14 additions and 10 deletions
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Dockerfile
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@ -1,16 +1,20 @@
FROM debian:buster FROM debian:buster
RUN apt-get update && \
#Install dependencies #Install dependencies
RUN apt-get update apt-get install -y \
RUN apt-get install wget ca-certificates -y wget \
ca-certificates \
&& rm -rf /var/lib/apt/lists/* && \
#Add repository #Add repository
RUN echo "deb http://download.proxmox.com/debian/pbs buster pbstest" > /etc/apt/sources.list.d/pbstest-beta.list echo "deb http://download.proxmox.com/debian/pbs buster pbstest" > /etc/apt/sources.list.d/pbstest-beta.list && \
RUN wget http://download.proxmox.com/debian/proxmox-ve-release-6.x.gpg -O /etc/apt/trusted.gpg.d/proxmox-ve-release-6.x.gpg wget http://download.proxmox.com/debian/proxmox-ve-release-6.x.gpg -O /etc/apt/trusted.gpg.d/proxmox-ve-release-6.x.gpg && \
#Install packages #Install packages
RUN apt-get update apt-get update && \
RUN apt-get install -y proxmox-backup-server=0.9.6-1 apt-get install -y proxmox-backup-server=0.9.6-1
#Activate backup user #Activate backup user
RUN chsh -s /bin/bash backup RUN chsh -s /bin/bash backup