Update Dockerfile

Dockerfile

@@ -1,5 +1,19 @@
+FROM node:16-alpine AS builder
+
+WORKDIR /usr/src/taumc_website
+
+COPY package*.json ./
+RUN npm install
+
+COPY . .
+
+ENV ELEVENTY_ENV=production
+ENV BASE_URL="https://www.taumc.org/"
+
+RUN npm run build
+
 FROM nginx:alpine
 
-COPY _site /usr/share/nginx/html
+COPY --from=builder /usr/src/taumc_website/_site /usr/share/nginx/html
 
 EXPOSE 80