diff --git a/dockerfile-debian b/dockerfile-debian
index 7e0f7989..ba6cdde4 100644
--- a/dockerfile-debian
+++ b/dockerfile-debian
@@ -1,20 +1,17 @@
-# DON'T UPDATE TO alpine3.13, 1.14, see #41.
-FROM node:14-bullseye AS release
+FROM node:14-bullseye-slim AS release
 WORKDIR /app
 
-RUN apt update
-RUN apt --yes install python3 python3-pip python3-dev git g++ make
+# install dependencies
+RUN apt update && apt --yes install python3 python3-pip python3-dev git g++ make iputils-ping
 RUN ln -s /usr/bin/python3 /usr/bin/python
 
 # split the sqlite install here, so that it can caches the arm prebuilt
 RUN npm install mapbox/node-sqlite3#593c9d
 
 # Install apprise
-RUN apt --yes install python3 python3-pip python3-cryptography python3-six python3-yaml python3-click python3-markdown python3-requests python3-requests-oauthlib
+RUN apt --yes install python3-cryptography python3-six python3-yaml python3-click python3-markdown python3-requests python3-requests-oauthlib
 RUN pip3 --no-cache-dir install apprise && \
-            rm -rf /root/.cache
-
-RUN apt --yes install iputils-ping
+    rm -rf /root/.cache
 
 COPY . .
 RUN npm install --legacy-peer-deps && npm run build && npm prune