Workaround for sporadic failures of sequence of dockerfile COPY commands.

Author: tskisner

templates/docker-debian.in

@@ -68,18 +68,42 @@ RUN python3 -m compileall -q "@AUX_PREFIX@/lib/python@PYVERSION@/site-packages"
 FROM @DOCKER_BASE@
 
 # Copy our installed software binaries and libraries.
+# NOTE:  The "RUN true" commands work around a docker bug:
+#   https://github.com/moby/moby/issues/37965
+#
 
 COPY --from=builder /lib /lib/
+RUN true
+
 COPY --from=builder /bin /bin/
+RUN true
+
 COPY --from=builder /sbin /sbin/
+RUN true
+
 COPY --from=builder /etc /etc/
+RUN true
+
 COPY --from=builder /usr/bin /usr/bin/
+RUN true
+
 COPY --from=builder /usr/sbin /usr/sbin/
+RUN true
+
 COPY --from=builder /usr/lib /usr/lib/
+RUN true
+
 COPY --from=builder /usr/include /usr/include/
+RUN true
+
 COPY --from=builder /usr/libexec /usr/libexec/
+RUN true
+
 COPY --from=builder /usr/share /usr/share/
+RUN true
+
 COPY --from=builder /usr/local /usr/local/
+RUN true
 
 # Home directory