Try multistage build

DanielOaks · Sep 12, 2023 · 8bb7217 · 8bb7217
1 parent 956fcd2
commit 8bb7217
Showing 1 changed file with 13 additions and 1 deletion.
diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,8 @@
-FROM node:20.5.0-alpine
+# multistage docker, to reduce the final image size
+
+## build image
+#
+FROM node:20.5.0-alpine as build
 
 # destination dir
 RUN mkdir -p /usr/src/nuxt-app
@@ -13,6 +17,14 @@ COPY . /usr/src/nuxt-app/
 RUN yarn install
 RUN yarn build
 
+## main image
+#
+FROM node:20.5.0-alpine as main
+
+RUN mkdir -p /usr/src
+COPY --from=build /usr/src/nuxt-app /usr/src/nuxt-app
+WORKDIR /usr/src/nuxt-app
+
 EXPOSE 3000
 
 ENV NUXT_HOST=0.0.0.0