Define SOLUTION_NAME as env variable (#6)

TemplateService/Dockerfile

@@ -10,17 +10,26 @@ COPY ./ ./
 ARG NUGET_API_KEY
 ARG SOLUTION_NAME
 
-RUN dotnet nuget add source https://nuget.pkg.github.com/trumpee/index.json --name github --username trumpee --password $NUGET_API_KEY --store-password-in-clear-text
-RUN ls -alF && dotnet restore "$SOLUTION_NAME.sln" --source "https://api.nuget.org/v3/index.json" --source "https://nuget.pkg.github.com/trumpee/index.json"
+RUN dotnet nuget add source https://nuget.pkg.github.com/trumpee/index.json \
+    --name github \
+    --username trumpee \
+    --password $NUGET_API_KEY \
+    --store-password-in-clear-text
+
+RUN dotnet restore "$SOLUTION_NAME.sln" \
+    --source "https://api.nuget.org/v3/index.json" \
+    --source "https://nuget.pkg.github.com/trumpee/index.json"
+
 RUN dotnet build "$SOLUTION_NAME.sln" -c Release -o /app/build --no-restore
 
 FROM build AS publish
 RUN dotnet publish "$SOLUTION_NAME.sln" -c Release -o /app/publish
 
 FROM base AS final
+WORKDIR /app
+COPY --from=publish /app/publish .
 
 ARG SOLUTION_NAME
+ENV SOLUTION_NAME=$SOLUTION_NAME
 
-WORKDIR /app
-COPY --from=publish /app/publish .
 ENTRYPOINT ["dotnet", "$SOLUTION_NAME.dll"]