Example `dockerfile` for a Sveltekit Project

Dockerfile

# ---- Base Node ----
FROM node:19-alpine AS base
WORKDIR /app
COPY package*.json ./

# ---- Dependencies ----
FROM base AS dependencies
RUN npm ci

# ---- Build ----
FROM dependencies AS build
COPY . .
RUN npm run build


# ---- Production ----
FROM node:19-alpine AS production
WORKDIR /app
COPY --from=dependencies /app/node_modules ./node_modules
COPY --from=build /app/build ./build
COPY --from=build /app/package*.json ./

# Expose the port the app will run on
EXPOSE 3000

# Start the application
# added "start": "node ./build", to package.json "scripts" section
CMD ["npm", "start"]

Ensure to install this dependency:

npm install @sveltejs/adapter-node --save-dev

Modify svelte.config.js

// import adapter from '@sveltejs/adapter-auto'; <-- Remove
import adapter from '@sveltejs/adapter-node'; // <-- Add