diff --git a/dev/docker/images/main/Dockerfile b/dev/docker/images/main/Dockerfile
index a411174..d59adb3 100644
--- a/dev/docker/images/main/Dockerfile
+++ b/dev/docker/images/main/Dockerfile
@@ -2,9 +2,7 @@ FROM node:lts-alpine
 LABEL maintainer="nikurasu_tan publicmail@nikurasu.gay"
 WORKDIR /app
 COPY src/ ./src
-COPY package.json ./
-COPY yarn.lock ./
-COPY .env ./.env
+COPY package.json yarn.loc[k] .en[v] ./
 COPY assets /assets
 RUN mv /assets/config/config.yml.example /assets/config/config.yml
 COPY dev/shell/entrypoint.sh /entrypoint.sh