Move fontconfig installation to base image

Dockerfile

@@ -1,9 +1,6 @@
 FROM semibit/render-farm:slim
 
 USER root
-RUN apt-get update && \
-    apt-get install -y fontconfig \
-    && rm -rf /var/lib/apt/lists/*
 
 # EXPOSE 7860 3000 8083
 RUN mkdir /app || true

Dockerfile.build.lean

@@ -9,6 +9,9 @@ FROM base AS tools
 USER root
 RUN apt-get update
 RUN apt-get update && apt-get install -y curl ca-certificates fonts-deva fonts-noto fonts-noto-cjk jq xz-utils
+RUN apt-get update && \
+    apt-get install -y fontconfig \
+    && rm -rf /var/lib/apt/lists/*
 RUN mkdir -p /usr/local/bin