Add Dockerfile

Dockerfile

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+# Use the official Nginx image from Docker Hub
+FROM nginx:alpine
+
+ARG VERSION=dev
+
+# Copy website files into the Nginx server's root directory
+COPY /website /usr/share/nginx/html
+COPY default.conf /etc/nginx/conf.d/default.conf
+
+# Replace __VERSION__ in all .html files
+RUN sh -c 'find /usr/share/nginx/html -type f -name "*.html" -exec sed -i "s/__VERSION__/${VERSION}/g" {} +'
+
+# Expose port 80
+EXPOSE 80