diff --git a/Dockerfile b/Dockerfile
index fb06ca3e3..f10e49842 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -53,13 +53,15 @@ ENV LD_LIBRARY_PATH="/usr/local/lib:$LD_LIBRARY_PATH" \
     PKG_CONFIG_PATH="/usr/local/lib/pkgconfig:$PKG_CONFIG_PATH"
 ARG VERSION
 RUN echo "Building tags/$VERSION..." 
-RUN mkdir /cardano-db-sync
-RUN cd /cardano-db-sync \
-    && touch cabal.project.local \
-    && echo "with-compiler: ghc-8.10.7" >> cabal.project.local \
-    && cabal update
-RUN cd /cardano-db-sync \
-    && cabal build all \
+RUN touch cabal.project.local
+COPY . .
+RUN ls -a *cabal*
+RUN cabal update \
+    && cabal configure --with-compiler=ghc-8.10.7 \
+    && ls -ltra \
+    && echo "package cardano-crypto-praos" >>  cabal.project.local \
+    && echo "flags: -external-libsodium-vrf" >>  cabal.project.local
+RUN cabal build all \
     && cp -p dist-newstyle/build/x86_64-linux/ghc-8.10.7/cardano-db-sync-*/build/cardano-db-sync/cardano-db-sync /root/.local/bin/
 FROM debian:stable-slim
 ENV LD_LIBRARY_PATH="/usr/local/lib:$LD_LIBRARY_PATH"