diff --git a/Dockerfile b/Dockerfile
index 283351a..24eb648 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,8 +4,8 @@ WORKDIR /work
 RUN \
     apk update && \
     apk add curl && \
-    curl -L -o master.zip https://github.com/getkirby/plainkit/archive/main.zip  && \
-    unzip master.zip    && \
+    curl --retry 5 -L -o master.zip https://github.com/getkirby/plainkit/archive/main.zip  && \
+    unzip -qq master.zip    && \
     cd plainkit-main  && \
     rm -rf README.md .editorconfig .gitignore .htaccess composer.json
 
@@ -20,4 +20,11 @@ COPY UCQ1Lrae /work/plainkit-main/site/accounts/UCQ1Lrae
 FROM php:8-fpm-alpine3.13
 
 EXPOSE 9000
+WORKDIR /site
+
+RUN \
+    apk update                                                              && \
+    apk add --quiet --no-progress freetype-dev libjpeg-turbo-dev libpng-dev && \
+    docker-php-ext-configure gd --with-freetype --with-jpeg                 && \
+    docker-php-ext-install -j$(nproc) gd
 COPY --from=builder /work/plainkit-main /site