Create Dockerfile

Dockerfile

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+FROM scratch
+
+# Metadata params
+ARG BUILD_DATE
+ARG VERSION
+ARG PROJECT_URL
+ARG VCS_REF
+ARG TARBALL
+ARG RELEASE_DESCRIPTION
+
+# https://github.com/opencontainers/image-spec/blob/master/annotations.md
+LABEL org.opencontainers.image.created="$BUILD_DATE" \
+      org.opencontainers.image.source="$PROJECT_URL" \
+      org.opencontainers.image.revision="$VCS_REF" \
+      org.opencontainers.image.vendor="Offensive Security" \
+      org.opencontainers.image.version="$VERSION" \
+      org.opencontainers.image.title="Conda Linux ($RELEASE_DESCRIPTION branch)" \
+      org.opencontainers.image.description="Official Conda Linux container image for $RELEASE_DESCRIPTION"
+
+ADD $TARBALL /
+
+CMD ["bash"]