diff --git a/docker-compose.yml b/docker-compose.yml
index 3492bab..47d371a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -54,6 +54,12 @@ services:
       context: .
       dockerfile: quests/helloworld/Dockerfile
 
+  base:
+    image: lancatlin/linux-odyssey:base
+    build:
+      context: .
+      dockerfile: ./quests/Dockerfile
+
 networks:
   internal:
   players:
diff --git a/quests/Dockerfile b/quests/Dockerfile
new file mode 100644
index 0000000..3971f8f
--- /dev/null
+++ b/quests/Dockerfile
@@ -0,0 +1,41 @@
+FROM ubuntu:22.04
+
+LABEL maintainer="wancat@wancat.cc"
+
+RUN apt-get update && apt-get install -y \
+  locales \
+  curl \
+  vim \
+  zsh \
+  ca-certificates \
+  gnupg
+
+RUN sed -i -e 's/# zh_TW.UTF-8 UTF-8/zh_TW.UTF-8 UTF-8/' /etc/locale.gen && \
+  dpkg-reconfigure --frontend=noninteractive locales && \
+  update-locale LANG=zh_TW.UTF-8
+
+ENV LANG zh_TW.UTF-8
+ENV LANGUAGE zh_TW:zh
+ENV LC_ALL zh_TW.UTF-8
+
+ENV NODE_MAJOR=20
+RUN curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg
+RUN echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_$NODE_MAJOR.x nodistro main" | tee /etc/apt/sources.list.d/nodesource.list
+RUN apt-get update && apt-get install nodejs -y
+
+WORKDIR /usr/local/lib/container
+
+RUN npm install -g yarn
+COPY ./packages/container/package.json ./yarn.lock ./
+RUN yarn install --modules-folder /usr/src/node_modules
+ENV NODE_PATH=/usr/src/node_modules
+COPY ./packages/container /usr/local/lib/container
+
+ENV USERNAME=commander
+
+RUN adduser --disabled-password --gecos '' --shell /bin/zsh ${USERNAME}
+
+USER ${USERNAME}
+
+WORKDIR /home/${USERNAME}
+
diff --git a/quests/helloworld/Dockerfile b/quests/helloworld/Dockerfile
index 10e45fa..bd9c4bb 100644
--- a/quests/helloworld/Dockerfile
+++ b/quests/helloworld/Dockerfile
@@ -1,35 +1,5 @@
-FROM node:latest
+FROM lancatlin/linux-odyssey:base
 
-RUN apt-get update && apt-get install -y \
-  locales \
-  curl \
-  vim \
-  zsh 
-
-RUN sed -i -e 's/# zh_TW.UTF-8 UTF-8/zh_TW.UTF-8 UTF-8/' /etc/locale.gen && \
-  dpkg-reconfigure --frontend=noninteractive locales && \
-  update-locale LANG=zh_TW.UTF-8
-
-ENV LANG zh_TW.UTF-8
-ENV LANGUAGE zh_TW:zh
-ENV LC_ALL zh_TW.UTF-8
-
-WORKDIR /usr/local/lib/container
-
-COPY ./packages/container/package.json ./yarn.lock ./
-
-RUN yarn install --modules-folder /usr/src/node_modules
-
-ENV NODE_PATH=/usr/src/node_modules
-
-COPY ./packages/container /usr/local/lib/container
-
-RUN adduser --disabled-password --gecos '' --shell /bin/zsh rudeus
-
-USER rudeus
-
-WORKDIR /home/rudeus
-
-COPY ./quests/helloworld/home /home/rudeus/
+COPY ./quests/helloworld/home /home/${USERNAME}/
 
 CMD [ "/bin/zsh" ]
diff --git a/quests/helloworld/game.yml b/quests/helloworld/game.yml
index fcc4d7f..6f99af0 100644
--- a/quests/helloworld/game.yml
+++ b/quests/helloworld/game.yml
@@ -74,4 +74,4 @@ stages:
         speaker: Unix Spirit
         content:
           - 恭喜您，我的指令官，您已成功解除了封印。
-          - 請跟著在接下了關卡，一步步取回 Linux 之根吧！
+          - 請跟著在接下來的關卡，一步步取回 Linux 之根吧！