restore each project independantly

dockerfile

@@ -1,12 +1,35 @@
 FROM mcr.microsoft.com/dotnet/core/sdk:2.2 AS build-env
 WORKDIR /app
 
-# Copy csproj and restore as distinct layers
-COPY **/*.csproj ./
-RUN ls
+# API Restore
+WORKDIR /app/OFBButte.Api
+COPY OFBButte.Api/*.csproj ./
 RUN dotnet restore
 
+# Application Restore
+WORKDIR /app/OFBButte.Application
+COPY Application.Api/*.csproj ./
+RUN dotnet restore
+
+# Database Restore
+WORKDIR /app/OFBButte.Database
+COPY OFBButte.Database/*.csproj ./
+RUN dotnet restore
+
+# Entities Restore
+WORKDIR /app/OFBButte.Entities
+COPY OFBButte.Entities/*.csproj ./
+RUN dotnet restore
+
+# Infrastructure Restore
+WORKDIR /app/OFBButte.Infrastructure
+COPY OFBButte.Infrastructure/*.csproj ./
+RUN dotnet restore
+
+
 # Copy everything else and build
+WORKDIR /app
+RUN ls
 COPY . ./
 RUN dotnet publish -c Release -o out