diff --git a/Dockerfile b/Dockerfile
index 415e1f19..b20d7491 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,39 +1,13 @@
-FROM ubuntu:20.04
+FROM node:16-slim
 
 WORKDIR /src
 
-# gcc g++ make
 RUN \
-	apt-get update && \
-	apt-get install -y build-essential
-
-# Python 3.8 and pip
-RUN \
-	DEBIAN_FRONTEND=noninteractive apt-get install -y tzdata && \
-	apt install -y software-properties-common && \
-	add-apt-repository ppa:deadsnakes/ppa && \
-	apt update && \
-	apt install -y python3.8 python3-pip
-
-# NodeJS 16.X and npm
-RUN \
-	apt install -y curl dirmngr apt-transport-https lsb-release ca-certificates && \
-	curl -sL https://deb.nodesource.com/setup_16.x | bash - && \
-	apt-get install -y nodejs && \
-	npm install -g npm@latest
-
-# Vim editor
-RUN apt-get install -y vim
+    DEBIAN_FRONTEND=noninteractive apt update && \
+    apt install -y --no-install-recommends build-essential python3-pip
 
 COPY package.json .
 
 RUN npm install
 
-COPY app app
-COPY public public
-
-EXPOSE 3010/tcp
-EXPOSE 40000-40100/tcp
-EXPOSE 40000-40100/udp
-
-CMD npm start
\ No newline at end of file
+CMD npm start
diff --git a/README.md b/README.md
index 27893b86..f1dfc323 100644
--- a/README.md
+++ b/README.md
@@ -160,8 +160,8 @@ $ PORT=3011 npm start
 $ cp app/src/config.template.js app/src/config.js
 # Copy docker-compose.template.yml in docker-compose.yml and edit it if needed
 $ cp docker-compose.template.yml docker-compose.yml
-# Get official image from Docker Hub
-$ docker pull mirotalk/sfu:latest
+# (Optional) Get official image from Docker Hub
+$ docker-compose pull
 # Create and start containers
 $ docker-compose up # -d
 # To stop and remove resources