Dockerfiles: fix name of builder stage

Author: matt-domsch-sp

docker/Dockerfile.proxy

@@ -42,9 +42,9 @@ COPY --from=builder /etc/group /etc/group
 COPY --from=builder /lib/x86_64-linux-gnu/libc.so.6 /lib/x86_64-linux-gnu/libc.so.6
 COPY --from=builder /lib64/ld-linux-x86-64.so.2 /lib64/ld-linux-x86-64.so.2
 # Get copyright statements for included components for legal compliance
-COPY --from=build /usr/share/doc/ca-certificates/copyright /usr/share/doc/ca-certificates/copyright
-COPY --from=build /usr/share/doc/bash-static/copyright /usr/share/doc/bash-static/copyright
-COPY --from=build /usr/share/doc/libc6/copyright /usr/share/doc/libc6/copyright
+COPY --from=builder /usr/share/doc/ca-certificates/copyright /usr/share/doc/ca-certificates/copyright
+COPY --from=builder /usr/share/doc/bash-static/copyright /usr/share/doc/bash-static/copyright
+COPY --from=builder /usr/share/doc/libc6/copyright /usr/share/doc/libc6/copyright
 
 # runner stage squashed minimum layer
 FROM scratch

docker/Dockerfile.synchronizer

@@ -42,9 +42,9 @@ COPY --from=builder /etc/group /etc/group
 COPY --from=builder /lib/x86_64-linux-gnu/libc.so.6 /lib/x86_64-linux-gnu/libc.so.6
 COPY --from=builder /lib64/ld-linux-x86-64.so.2 /lib64/ld-linux-x86-64.so.2
 # Get copyright statements for included components for legal compliance
-COPY --from=build /usr/share/doc/ca-certificates/copyright /usr/share/doc/ca-certificates/copyright
-COPY --from=build /usr/share/doc/bash-static/copyright /usr/share/doc/bash-static/copyright
-COPY --from=build /usr/share/doc/libc6/copyright /usr/share/doc/libc6/copyright
+COPY --from=builder /usr/share/doc/ca-certificates/copyright /usr/share/doc/ca-certificates/copyright
+COPY --from=builder /usr/share/doc/bash-static/copyright /usr/share/doc/bash-static/copyright
+COPY --from=builder /usr/share/doc/libc6/copyright /usr/share/doc/libc6/copyright
 
 
 # runner stage squashed minimum layer