Fix backend docker container again

Dockerfile.backend

@@ -2,16 +2,18 @@ ARG FRONTEND_APP
 ARG downloader=${FRONTEND_APP}_downloader
 
 FROM scratch as mmseqs_downloader
-ONBUILD ADD https://mmseqs.com/latest/mmseqs-linux-avx2.tar.gz /download
-ONBUILD ADD https://mmseqs.com/latest/mmseqs-linux-sse41.tar.gz /download
-ONBUILD ADD https://mmseqs.com/latest/mmseqs-linux-sse2.tar.gz /download
-ONBUILD ADD https://mmseqs.com/latest/mmseqs-linux-arm64.tar.gz /download
+WORKDIR /opt/build
+ONBUILD ADD https://mmseqs.com/latest/mmseqs-linux-avx2.tar.gz .
+ONBUILD ADD https://mmseqs.com/latest/mmseqs-linux-sse41.tar.gz .
+ONBUILD ADD https://mmseqs.com/latest/mmseqs-linux-sse2.tar.gz .
+ONBUILD ADD https://mmseqs.com/latest/mmseqs-linux-arm64.tar.gz .
 
 FROM scratch as foldseek_downloader
-ONBUILD ADD https://mmseqs.com/foldseek/foldseek-linux-avx2.tar.gz /download
-#ONBUILD ADD https://mmseqs.com/foldseek/foldseek-linux-sse41.tar.gz /download
-ONBUILD ADD https://mmseqs.com/foldseek/foldseek-linux-sse2.tar.gz /download
-ONBUILD ADD https://mmseqs.com/foldseek/foldseek-linux-arm64.tar.gz /download
+WORKDIR /opt/build
+ONBUILD ADD https://mmseqs.com/foldseek/foldseek-linux-avx2.tar.gz .
+#ONBUILD ADD https://mmseqs.com/foldseek/foldseek-linux-sse41.tar.gz .
+ONBUILD ADD https://mmseqs.com/foldseek/foldseek-linux-sse2.tar.gz .
+ONBUILD ADD https://mmseqs.com/foldseek/foldseek-linux-arm64.tar.gz .
 
 FROM $downloader as downloader
 
@@ -26,21 +28,21 @@ RUN GOOS=linux GOARCH=$TARGETARCH go build -o mmseqs-web
 ADD https://raw.githubusercontent.com/soedinglab/MMseqs2/678c82ac44f1178bf9a3d49bfab9d7eed3f17fbc/util/mmseqs_wrapper.sh binaries/mmseqs
 ADD https://raw.githubusercontent.com/steineggerlab/foldseek/0a68e16214a6db745cee783128ccba8546ea5dc9/util/foldseek_wrapper.sh binaries/foldseek
 
-COPY --from=downloader /download .
+COPY --from=downloader /opt/build/* .
 RUN mkdir binaries; \
  if [ "$TARGETARCH" = "arm64" ]; then \
  for i in mmseqs foldseek; do \
  if [ -e "${i}-linux-arm64.tar.gz" ]; then \
  cat ${i}-linux-arm64.tar.gz | tar -xzvf- ${i}/bin/${i}; \
- mv ${i}/bin/${i} binaries/${i}; \
+ mv -f -- ${i}/bin/${i} binaries/${i}; \
  fi; \
  done; \
  else \
  for i in mmseqs foldseek; do \
  for j in sse2 sse41 avx2; do \
  if [ -e "${i}-linux-${j}.tar.gz" ]; then \
  cat ${i}-linux-${j}.tar.gz | tar -xzvf- ${i}/bin/${i}; \
- mv ${i}/bin/${i} binaries/${i}_${j}; \
+ mv -f -- ${i}/bin/${i} binaries/${i}_${j}; \
  fi; \
  done; \
  done; \