feat(ci): stabilize infrastructure and deployment pipeline

Dockerfile

@@ -0,0 +1,24 @@
+ARG CADDY_VERSION
+
+# --- BUILD ---
+FROM node:24-alpine AS build
+RUN corepack enable && corepack prepare pnpm@latest --activate
+
+ENV ASTRO_TELEMETRY_DISABLED=1
+
+WORKDIR /app
+
+# Copy depedencies
+COPY package.json pnpm-lock.yaml ./
+RUN pnpm install --frozen-lockfile
+
+# Copy all and build
+COPY . .
+RUN pnpm build
+
+# --- DEPLOY ---
+FROM caddy:${CADDY_VERSION}-alpine
+COPY --from=build /app/dist /usr/share/caddy
+COPY Caddyfile /etc/caddy/Caddyfile
+
+EXPOSE 80