Apply COPY vs ADD best practices
Should only use `ADD` for URLs (and even then, `curl` or `wget` are preferred, for numerous reasons, even within this repo) and when extracting archive contents as part of the `ADD` operation; otherwise `COPY` is clearer and (slightly) more efficient.
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@ -209,8 +209,8 @@ RUN if [ ${INSTALL_XDEBUG} = false -a ${INSTALL_BLACKFIRE} = true ]; then \
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ARG INSTALL_WORKSPACE_SSH=false
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ENV INSTALL_WORKSPACE_SSH ${INSTALL_WORKSPACE_SSH}
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ADD insecure_id_rsa /tmp/id_rsa
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ADD insecure_id_rsa.pub /tmp/id_rsa.pub
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COPY insecure_id_rsa /tmp/id_rsa
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COPY insecure_id_rsa.pub /tmp/id_rsa.pub
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RUN if [ ${INSTALL_WORKSPACE_SSH} = true ]; then \
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rm -f /etc/service/sshd/down && \
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@ -206,8 +206,8 @@ RUN if [ ${INSTALL_XDEBUG} = false -a ${INSTALL_BLACKFIRE} = true ]; then \
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ARG INSTALL_WORKSPACE_SSH=false
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ENV INSTALL_WORKSPACE_SSH ${INSTALL_WORKSPACE_SSH}
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ADD insecure_id_rsa /tmp/id_rsa
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ADD insecure_id_rsa.pub /tmp/id_rsa.pub
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COPY insecure_id_rsa /tmp/id_rsa
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COPY insecure_id_rsa.pub /tmp/id_rsa.pub
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RUN if [ ${INSTALL_WORKSPACE_SSH} = true ]; then \
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rm -f /etc/service/sshd/down && \
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@ -202,8 +202,8 @@ RUN if [ ${INSTALL_XDEBUG} = false -a ${INSTALL_BLACKFIRE} = true ]; then \
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ARG INSTALL_WORKSPACE_SSH=false
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ENV INSTALL_WORKSPACE_SSH ${INSTALL_WORKSPACE_SSH}
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ADD insecure_id_rsa /tmp/id_rsa
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ADD insecure_id_rsa.pub /tmp/id_rsa.pub
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COPY insecure_id_rsa /tmp/id_rsa
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COPY insecure_id_rsa.pub /tmp/id_rsa.pub
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RUN if [ ${INSTALL_WORKSPACE_SSH} = true ]; then \
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rm -f /etc/service/sshd/down && \
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@ -203,8 +203,8 @@ RUN if [ ${INSTALL_XDEBUG} = false -a ${INSTALL_BLACKFIRE} = true ]; then \
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ARG INSTALL_WORKSPACE_SSH=false
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ENV INSTALL_WORKSPACE_SSH ${INSTALL_WORKSPACE_SSH}
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ADD insecure_id_rsa /tmp/id_rsa
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ADD insecure_id_rsa.pub /tmp/id_rsa.pub
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COPY insecure_id_rsa /tmp/id_rsa
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COPY insecure_id_rsa.pub /tmp/id_rsa.pub
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RUN if [ ${INSTALL_WORKSPACE_SSH} = true ]; then \
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rm -f /etc/service/sshd/down && \
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