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Page: SC2086
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2 SC2086
Ye Wang edited this page 2016-08-17 17:23:06 -04:00
Table of Contents

Double quote to prevent globbing and word splitting.

Problematic code:

FROM gcr.io/google_appengine/base

WORKDIR /opt
ENV GCLOUD_VERSION=118.0.0
RUN wget -qO- https://dl.google.com/dl/cloudsdk/channels/rapid/downloads/google-cloud-sdk-${GCLOUD_VERSION}-linux-x86_64.tar.gz | tar xzf -

Correct code:

FROM gcr.io/google_appengine/base

WORKDIR /opt
ENV GCLOUD_VERSION=118.0.0
RUN wget -qO- "https://dl.google.com/dl/cloudsdk/channels/rapid/downloads/google-cloud-sdk-${GCLOUD_VERSION}-linux-x86_64.tar.gz" | tar xzf -

Rationale:

Double quote the download link with variable(s) that contains spaces.