From b04e0f4f4239532f2f4dfa52caf9f7c19e059c32 Mon Sep 17 00:00:00 2001
From: anarch3 <aayanzillis@gmail.com>
Date: Thu, 24 Nov 2022 03:35:27 -0500
Subject: [PATCH] make docker images smaller by 150%

---
 Dockerfile           | 32 ++++++++++++++++++++++----------
 docker-entrypoint.sh |  8 --------
 2 files changed, 22 insertions(+), 18 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 6f7cfb3..4c1dbde 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,22 @@
-FROM node:16
-
-# Install dependencies
-COPY package*.json ./
-RUN npm install
-
-# Package app source
-COPY . .
-
-ENTRYPOINT ["./docker-entrypoint.sh"]
+FROM node:16-alpine AS BUILD_IMAGE
+
+RUN apk add curl bash
+
+# Install dependencies
+COPY package*.json ./
+RUN npm install
+
+RUN npm prune --production
+
+RUN curl -sf https://gobinaries.com/tj/node-prune | sh
+
+FROM node:16-alpine
+
+COPY --from=BUILD_IMAGE /node_modules ./node_modules
+COPY . .
+
+ENV NODE_ENV=production
+
+RUN node db.js
+
+CMD ["npm", "start"]
\ No newline at end of file
diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
index a97729d..1d408a5 100755
--- a/docker-entrypoint.sh
+++ b/docker-entrypoint.sh
@@ -1,12 +1,4 @@
 #!/bin/bash
 
-# Exit build script on first failure.
-set -e
-
-# Exit on unset variable.
-set -u
-
-set -x
-
 node db.js
 npm start