ci(docker): add production dockerfile, compose config, and gitea actions pipeline

.dockerignore

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+node_modules
+data
+.git
+.gitignore
+test.js
+.gitea
+*.md

.gitea/workflows/build-runner.yml

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+name: Build and Push Fridger Container
+
+on:
+  push:
+    branches:
+      - main
+    paths-ignore:
+      - 'README.md'
+      - '.gitignore'
+  workflow_dispatch:
+
+jobs:
+  build-and-push:
+    name: Build & Push Fridger Image
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Ensure Docker CLI is available
+        run: |
+          if ! command -v docker >/dev/null 2>&1; then
+            echo "Docker CLI not found. Downloading static Docker CLI binary..."
+            curl -fSL --connect-timeout 15 --max-time 120 --retry 3 https://download.docker.com/linux/static/stable/x86_64/docker-27.3.1.tgz -o /tmp/docker.tgz
+            tar -xzf /tmp/docker.tgz -C /usr/local/bin --strip-components=1 docker/docker
+            chmod +x /usr/local/bin/docker
+            rm -f /tmp/docker.tgz
+          fi
+          docker version
+
+      - name: Log in to Gitea Container Registry
+        run: |
+          REGISTRY="gitea.eibl.tech"
+          USER="${{ secrets.GITEAUSER || secrets.PACKAGESUSER || github.actor }}"
+          PASS="${{ secrets.GITEATOKEN || secrets.PACKAGESTOKEN || secrets.TAG_TOKEN || github.token }}"
+          echo "Logging in to ${REGISTRY} as ${USER}..."
+          echo "${PASS}" | docker login "${REGISTRY}" -u "${USER}" --password-stdin
+
+      - name: Build Docker Image
+        env:
+          DOCKER_BUILDKIT: "0"
+        run: |
+          IMAGE_TAG="gitea.eibl.tech/me0nline/fridger:latest"
+          echo "Building ${IMAGE_TAG}..."
+          docker build \
+            -t "${IMAGE_TAG}" \
+            -f Dockerfile \
+            .
+
+      - name: Push to Gitea Container Registry
+        run: |
+          IMAGE_TAG="gitea.eibl.tech/me0nline/fridger:latest"
+          echo "Pushing ${IMAGE_TAG} to Gitea Container Registry..."
+          docker push "${IMAGE_TAG}"
+          echo "Successfully pushed ${IMAGE_TAG} to Gitea Container Registry!"
+
+      - name: Clean up temporary base images from Docker host
+        if: always()
+        run: |
+          echo "[*] Cleaning up temporary base images from Docker host daemon..."
+          docker images --filter "reference=*bullseye*" -q | xargs -r docker rmi -f 2>/dev/null || true
+          docker rmi -f node:16-bullseye node:16-bullseye-slim 2>/dev/null || true
+          docker image prune -f 2>/dev/null || true
+          echo "[+] Cleaned up intermediate build images from host daemon."

Dockerfile

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+# Multi-stage lightweight Docker image for Fridger
+FROM node:22-alpine AS runner
+
+# Create app directory
+WORKDIR /app
+
+# Set environment
+ENV NODE_ENV=production \
+    PORT=3000 \
+    FRIDGER_DATA_DIR=/data \
+    FRIDGER_DB_PATH=/data/fridger.db
+
+# Install dependencies first for layer caching
+COPY package.json package-lock.json ./
+RUN npm ci --omit=dev && npm cache clean --force
+
+# Copy application source
+COPY server.js db.js barcode.js ./
+COPY public/ ./public/
+
+# Setup persistent data storage directory with proper permissions
+RUN mkdir -p /data && chown -R node:node /app /data
+
+# Use non-root user
+USER node
+
+# Expose web port
+EXPOSE 3000
+
+# Declare persistent volume
+VOLUME ["/data"]
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=5s --start-period=5s --retries=3 \
+  CMD wget --no-verbose --tries=1 --spider http://localhost:3000/health || exit 1
+
+# Start the application
+CMD ["node", "server.js"]

README.md

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-# Fridger
+# 🧊 Fridger
 
-A docker web-app that is built to scan and store what you have in your fridge
+> Smart Fridge Inventory & Grams Tracker with live Barcode Scanner and Dual View/Manage modes.
+
+![Docker](https://img.shields.io/badge/Docker-Ready-2496ED?logo=docker)
+![Node.js](https://img.shields.io/badge/Node.js-22+-339933?logo=node.js)
+![SQLite](https://img.shields.io/badge/Database-SQLite-003B57?logo=sqlite)
+
+---
+
+## ✨ Features
+
+- **👁️ Fridge View Mode ("What's in my fridge?")**:
+  - Visual layout organized by shelf/compartment (Top Shelf, Middle Shelf, Bottom Shelf, Crisper Drawer, Door Rack, Freezer).
+  - Clear stock level and remaining grams/ml progress indicators with percentage fullness.
+  - Expiration countdown badges (Fresh, Expiring Soon, Expired).
+  - Quick consume buttons (`-50g`, `-100g`, `-1 item`, or custom slider).
+
+- **⚙️ Manage Fridge Mode**:
+  - Full inventory CRUD management.
+  - **Dynamic Grams/Weight Tracking**: When an item has weight (e.g. 250g cheese pack, 1kg flour, 500ml cream), easily slide or click quick-adjustment chips (`-10g`, `-25g`, `-50g`, `-100g`, `Half`, `Empty`) to log partial usage after cooking.
+  - Opened vs. unopened item tracking with open date.
+
+- **📸 Live Barcode Scanner & Search**:
+  - Camera-based barcode scanner (`html5-qrcode`) directly in your browser (mobile & desktop).
+  - Open Food Facts API integration for instant autofill: product title, brand, package net weight (grams/ml/units), category, and image.
+  - No nutrition/macro clutter — purely focused on what is in your fridge and how much is left!
+
+- **🚀 Self-Contained Container & CI/CD**:
+  - Lightweight Alpine container (`node:22-alpine`) with built-in SQLite engine.
+  - Automated build & push pipeline via Gitea Actions to `gitea.eibl.tech/me0nline/fridger:latest`.
+
+---
+
+## 🐳 Quick Start with Docker
+
+### Using Docker Run
+```bash
+docker run -d \
+  --name fridger \
+  -p 3000:3000 \
+  -v fridger-data:/data \
+  gitea.eibl.tech/me0nline/fridger:latest
+```
+
+### Using Docker Compose
+```yaml
+services:
+  fridger:
+    image: gitea.eibl.tech/me0nline/fridger:latest
+    container_name: fridger
+    restart: unless-stopped
+    ports:
+      - "3000:3000"
+    volumes:
+      - fridger-data:/data
+
+volumes:
+  fridger-data:
+    name: fridger-data
+```
+
+Access the web interface at **`http://localhost:3000`**.
+
+---
+
+## 🛠️ Local Development
+
+```bash
+# 1. Install dependencies
+npm install
+
+# 2. Run backend test suite
+npm test
+
+# 3. Start development server
+npm start
+```
+
+---
+
+## 📡 REST API Summary
+
+| Method | Endpoint | Description |
+|---|---|---|
+| `GET` | `/api/items` | List items (supports `search`, `category`, `location`, `status`) |
+| `GET` | `/api/items/:id` | Get single item details |
+| `POST` | `/api/items` | Add item |
+| `PUT` | `/api/items/:id` | Update item details |
+| `PATCH` | `/api/items/:id/quantity` | Adjust grams/count (`{ delta: -50 }` or `{ newQuantity: 150 }`) |
+| `DELETE` | `/api/items/:id` | Remove item |
+| `GET` | `/api/barcode/:code` | Barcode lookup (local cache + Open Food Facts) |
+| `GET` | `/api/stats` | Summary stats (total, fresh, expiring soon, opened, low) |
+| `GET` | `/api/meta` | Predefined categories, shelf locations, and units |
+| `GET` | `/health` | Healthcheck status |
+
+---
+
+## 📜 License
+MIT

docker-compose.yml

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+services:
+  fridger:
+    image: gitea.eibl.tech/me0nline/fridger:latest
+    container_name: fridger
+    restart: unless-stopped
+    ports:
+      - "3000:3000"
+    environment:
+      - NODE_ENV=production
+      - PORT=3000
+      - FRIDGER_DATA_DIR=/data
+    volumes:
+      - fridger-data:/data
+
+volumes:
+  fridger-data:
+    name: fridger-data