chore: setup docker, gitea actions pipeline and docs

Dockerfile

@@ -0,0 +1,47 @@
+# Stage 1: Build the React application
+FROM node:20-alpine AS builder
+
+WORKDIR /app
+
+# Copy package.json and package-lock.json first to leverage Docker cache
+COPY package*.json ./
+
+# Install dependencies
+RUN npm ci
+
+# Copy the rest of the application code
+COPY . .
+
+# Accept the API_KEY as a build argument
+ARG API_KEY
+ENV API_KEY=$API_KEY
+
+# Build the application
+RUN npm run build
+
+# Stage 2: Serve the application with Node.js
+FROM node:20-alpine AS runner
+
+WORKDIR /app
+
+# Set environment to production
+ENV NODE_ENV=production
+ENV PORT=8080
+
+# Copy package.json and package-lock.json for production dependencies
+COPY package*.json ./
+
+# Install only production dependencies
+RUN npm ci --only=production
+
+# Copy the built assets from the builder stage
+COPY --from=builder /app/dist ./dist
+
+# Copy the server script
+COPY server.js .
+
+# Expose the port the app runs on
+EXPOSE 8080
+
+# Start the server
+CMD ["node", "server.js"]