chore(dlcm-portal): dockerfile

create dockerfile and config file  for nginx web server

Dockerfile

+FROM nginx:alpine
+RUN rm -rf /usr/share/nginx/html/*
+COPY nginx.conf /etc/nginx/nginx.conf
+COPY ./dist/DLCM-Frontend/. /usr/share/nginx/html
+RUN rm -rf sr/share/nginx/html/assets/configurations/*
+EXPOSE 81
+CMD ["nginx", "-g", "daemon off;"]
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nginx.conf

+worker_processes  1;
+
+events {
+    worker_connections  1024;
+}
+
+http {
+    server {
+        listen 80;
+        server_name  localhost;
+
+        root   /usr/share/nginx/html;
+        index  index.html index.htm;
+        include /etc/nginx/mime.types;
+
+        gzip on;
+        gzip_min_length 1000;
+        gzip_proxied expired no-cache no-store private auth;
+        gzip_types text/plain text/css application/json application/javascript application/x-javascript text/xml application/xml application/xml+rss text/javascript;
+
+        location / {
+            try_files $uri $uri/ /index.html;
+        }
+    }
+}
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