build iconserver into icons dockerfile

src/Icons/Dockerfile

@@ -1,5 +1,14 @@
 FROM microsoft/aspnetcore:2.0.0
 
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
+        unzip \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN curl -L -o /tmp/iconserver.zip https://github.com/mat/besticon/releases/download/v3.4.0/iconserver_linux_amd64.zip \
+    && unzip /tmp/iconserver.zip -d /etc/iconserver \
+    && rm /tmp/iconserver.zip
+
 WORKDIR /app
 EXPOSE 80
 COPY obj/Docker/publish .

src/Icons/entrypoint.sh

@@ -1,3 +1,4 @@
 #!/bin/sh
 
-dotnet /app/Icons.dll
+/etc/iconserver/iconserver &
+dotnet /app/Icons.dll iconsSettings:bestIconBaseUrl=http://localhost:8080