diff --git a/Dockerfile b/Dockerfile
index 3ad786b..b1a9d63 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,17 +1,19 @@
-FROM node:16-bullseye
+FROM node:16-alpine3.15
 RUN mkdir -p /usr/src/yt-dlp-webui/download
 VOLUME /usr/src/yt-dlp-webui/downloads
 WORKDIR /usr/src/yt-dlp-webui
 COPY package*.json ./
-RUN apt-get update
-RUN apt-get install curl psmisc wget -y
-RUN npm install
-RUN wget https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-amd64-static.tar.xz
-RUN tar -xf ffmpeg-release-amd64-static.tar.xz
-RUN mv ./ffmpeg-5.0-amd64-static/ff* /usr/bin
+# install core dependencies
+RUN apk update
+RUN apk add curl wget psmisc python3 ffmpeg
 COPY . .
 RUN chmod +x ./fetch-yt-dlp.sh
+# install node dependencies
+RUN npm install
 RUN npm run build-all
+# cleanup
+RUN npm remove parcel react react-dom react-bootstrap react-bootstrap-icons
 RUN rm -rf .parcel-cache
+# expose and run
 EXPOSE 3022
 CMD [ "node" , "./dist/main.js" ]
diff --git a/README.md b/README.md
index 7f3ba34..f929e64 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ I will eventually make this better as soon as I can. Not in the immediate.
 
 Changelog:
 ```
-02/03/22: cut-down docker container size by using ffmpeg static builds
+03/03/22: cut-down image size by switching to Alpine linux based container
 
 01/03/22: Chinese translation by deluxghost
 
@@ -66,7 +66,4 @@ node dist/main.js
 ## Todo list
 - ~~retrieve background tasks~~
 - format selection
-- better ui/ux
-
-
-_static ffmpeg builds by johnvansickle https://johnvansickle.com/ffmpeg/_ 
\ No newline at end of file
+- better ui/ux
\ No newline at end of file
diff --git a/fetch-yt-dlp.sh b/fetch-yt-dlp.sh
index c8264c1..ef88e99 100755
--- a/fetch-yt-dlp.sh
+++ b/fetch-yt-dlp.sh
@@ -1,13 +1,10 @@
-#!/bin/bash
+#!/bin/sh
 
 echo "Downloading latest yt-dlp build..."
 
 rm -f yt-dlp
 
-RELEASE=$(curl --silent "https://api.github.com/repos/yt-dlp/yt-dlp/releases/latest" | 
-    grep '"tag_name":' |                                            
-    sed -E 's/.*"([^"]+)".*/\1/'
-)
+RELEASE=$(curl --silent "https://api.github.com/repos/yt-dlp/yt-dlp/releases/latest" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/')
 
 wget "https://github.com/yt-dlp/yt-dlp/releases/download/$RELEASE/yt-dlp"