Optimize container size

.dockerignore

@@ -22,7 +22,6 @@ next-env.d.ts
 *.log
 .machinelogs*.json
 *-audit.json
-package-lock.json
 install/
 bruno/
 LICENSE

.gitignore

@@ -23,7 +23,6 @@ next-env.d.ts
 .machinelogs*.json
 *-audit.json
 migrations
-package-lock.json
 tsconfig.tsbuildinfo
 config/config.yml
 dist

Dockerfile

@@ -2,9 +2,8 @@ FROM node:20-alpine AS builder
 
 WORKDIR /app
 
-COPY package.json ./
-
-RUN npm install
+COPY package.json package-lock.json ./
+RUN npm ci
 
 COPY . .
 
@@ -14,15 +13,16 @@ RUN npm run build
 
 FROM node:20-alpine AS runner
 
-RUN apk add --no-cache curl
-
 WORKDIR /app
 
-COPY package.json ./
+# Curl used for the health checks
+RUN apk add --no-cache curl 
 
-RUN npm install --omit=dev
+COPY package.json package-lock.json ./
+RUN npm ci --only=production && npm cache clean --force
 
-COPY --from=builder /app/.next ./.next
+COPY --from=builder /app/.next/standalone ./
+COPY --from=builder /app/.next/static ./.next/static
 COPY --from=builder /app/dist ./dist
 COPY --from=builder /app/init ./dist/init
 

next.config.mjs

@@ -2,7 +2,8 @@
 const nextConfig = {
     eslint: {
         ignoreDuringBuilds: true,
-    }
+    },
+    output: "standalone"
 };
 
 export default nextConfig;