diff --git a/src/FilterLists.Api/Dockerfile b/src/FilterLists.Api/Dockerfile
index 5cd7c0228..5990e5589 100644
--- a/src/FilterLists.Api/Dockerfile
+++ b/src/FilterLists.Api/Dockerfile
@@ -6,5 +6,6 @@ RUN dotnet publish FilterLists.Api/FilterLists.Api.csproj -c Release -o /out
 
 FROM microsoft/dotnet:2.2-aspnetcore-runtime AS final
 COPY --from=publish /out .
+ENV ASPNETCORE_URLS http://+:5000
 EXPOSE 5000
 ENTRYPOINT ["dotnet", "FilterLists.Api.dll"]
diff --git a/src/FilterLists.Web/Dockerfile b/src/FilterLists.Web/Dockerfile
index 07c878dd2..aaf29bade 100644
--- a/src/FilterLists.Web/Dockerfile
+++ b/src/FilterLists.Web/Dockerfile
@@ -6,5 +6,6 @@ RUN curl -sL https://deb.nodesource.com/setup_10.x | bash - \
 
 FROM microsoft/dotnet:2.2-aspnetcore-runtime AS final
 COPY --from=publish /out .
+ENV ASPNETCORE_URLS http://+:5001
 EXPOSE 5001
 ENTRYPOINT ["dotnet", "FilterLists.Web.dll"]