add docker image

Dockerfile

@@ -0,0 +1,27 @@
+FROM node:lts-alpine3.18 AS build-step
+
+WORKDIR /app
+COPY package*.json ./
+RUN npm install
+COPY . .
+RUN npm run generate
+
+
+FROM nginx:1-alpine-slim
+
+COPY --from=build-step /app/.output/public /usr/share/nginx/html
+
+# change default port to 8080
+RUN apk add jq pcre-tools && \
+    sed -i 's/\s*listen\s*80;/    listen 8080;/' /etc/nginx/conf.d/default.conf && \
+    sed -i 's/\s*location \/ {/    location \/ {\n        try_files $uri $uri\/ \/index.html;/' /etc/nginx/conf.d/default.conf && \
+    sed -i '/location \//a\
+    add_header \"Access-Control-Allow-Origin\" \"*\";\n    add_header \"Access-Control-Allow-Methods\" \"GET, POST, PUT, DELETE, OPTIONS\"; \
+    add_header \"Access-Control-Allow-Headers\" \"Content-Type, Authorization\";' /etc/nginx/conf.d/default.conf
+
+
+EXPOSE 8080
+
+STOPSIGNAL SIGTERM
+
+