FROM alpine:3.13.4

RUN addgroup -S imagepullsecret-injector-group && adduser -S imagepullsecret-injector-user -G imagepullsecret-injector-group \
    && apk add bash curl openssl jq \
    && curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl" \
    && chmod 755 ./kubectl \
    && mv ./kubectl /usr/bin/kubectl

USER imagepullsecret-injector-user