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feat: Upgrade kustomize to v5.4.1 and take image size from 64MB to 44MB #7

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feat: Upgrade kustomize to v5.4.1 and take image size from 64MB to 44MB #7

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31 changes: 20 additions & 11 deletions Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,12 +1,21 @@
FROM alpine:latest
RUN adduser kustomize -D \
&& apk add curl git openssh \
&& git config --global url.ssh://git@github.com/.insteadOf https://github.com/
RUN curl -L --output /tmp/kustomize_v3.3.0_linux_amd64.tar.gz https://github.com/kubernetes-sigs/kustomize/releases/download/kustomize%2Fv3.3.0/kustomize_v3.3.0_linux_amd64.tar.gz \
&& echo "4b49e1bbdb09851f11bb81081bfffddc7d4ad5f99b4be7ef378f6e3cf98d42b6 /tmp/kustomize_v3.3.0_linux_amd64.tar.gz" | sha256sum -c \
&& tar -xvzf /tmp/kustomize_v3.3.0_linux_amd64.tar.gz -C /usr/local/bin \
&& chmod +x /usr/local/bin/kustomize \
&& mkdir ~/.ssh \
&& ssh-keyscan -t rsa github.com >> ~/.ssh/known_hosts
USER kustomize
FROM alpine:3.19 AS DEPENDENCIES

WORKDIR /downloads

RUN apk add curl && \
curl --location --silent --output kustomize_v5.4.1_linux_amd64.tar.gz https://github.com/kubernetes-sigs/kustomize/releases/download/kustomize%2Fv5.4.1/kustomize_v5.4.1_linux_amd64.tar.gz && \
echo "3d659a80398658d4fec4ec4ca184b432afa1d86451a60be63ca6e14311fc1c42 kustomize_v5.4.1_linux_amd64.tar.gz" | sha256sum -c && \
tar -xzf kustomize_v5.4.1_linux_amd64.tar.gz

FROM alpine:3.19

WORKDIR /src

RUN apk add git openssh && \
git config --global url.ssh://git@github.com/.insteadOf https://github.com/ && \
mkdir ~/.ssh && \
ssh-keyscan github.com >> /etc/ssh/ssh_known_hosts

COPY --from=DEPENDENCIES /downloads/kustomize /usr/local/bin/

USER nobody