Add Github workflow and rework Docker file

.github/workflows/armit.yml

@@ -0,0 +1,45 @@
+name: ArmIT
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+jobs:
+  build:
+    name: Build
+
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Use Node.js 20
+        uses: actions/setup-node@v3
+        with:
+          node-version: 20
+      - run: npm install --frozen-lockfile
+      - run: npm run build
+
+  docker:
+    name: Build docker container
+
+    permissions:
+      packages: write
+
+    needs: [build]
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      - name: Login to GitHub Container Registry
+        if: ${{ github.ref == 'refs/heads/main' }}
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build Docker image (and push on main)
+        uses: docker/build-push-action@v4.0.0
+        with:
+          push: ${{ github.ref == 'refs/heads/main' }}
+          tags: ghcr.io/cthit/armit:latest

Dockerfile

@@ -1,42 +1,16 @@
-# Use an official Node.js image as a base image
-FROM node:18-alpine
-
-# Set the working directory inside the container
+FROM node:20-alpine AS builder
 WORKDIR /app
-
-# Copy package.json and package-lock.json to the working directory
-COPY package*.json ./
-
-# Install dependencies
-RUN npm install
-
-# Copy the rest of the application code to the working directory
+COPY package*.json .
+RUN npm ci
 COPY . .
-
-# Build the SvelteKit app with Vite
 RUN npm run build
+RUN npm prune --production
 
-#Expose port
+FROM node:20-alpine
+WORKDIR /app
+COPY --from=builder /app/build build/
+COPY --from=builder /app/node_modules node_modules/
+COPY package.json .
 EXPOSE 3000
-
-#Start the app
-CMD ["npm", "run", "preview"]
-
-
-#Should the above not work, use this:
-
-# FROM node:17-alpine
-
-# WORKDIR /app
-
-# COPY package*.json ./
-
-# RUN npm install --legacy-peer-deps
-
-# COPY . .
-
-# RUN npm run build
-
-# EXPOSE 3000
-
-# CMD ["npm", "run", "dev"]
+ENV NODE_ENV=production
+CMD [ "node", "build" ]