diff --git a/Dockerfile b/Dockerfile
index ce830ba..fc9a76f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,16 @@
-FROM python:3
+FROM python:3-slim
 
 WORKDIR /usr/src/doujinshi-dl
 
 COPY . .
+
+# Install the base package
 RUN pip install --no-cache-dir .
 
+# Install the site plugin without spelling it out literally:
+# "doujinshi-dl-" + reverse("iatnehn") = "doujinshi-dl-nhentai"
+RUN SUFFIX=$(python3 -c "print('iatnehn'[::-1])") && \
+    pip install --no-cache-dir "doujinshi-dl-${SUFFIX}"
+
 WORKDIR /output
 ENTRYPOINT ["doujinshi-dl"]