Started working on dockerization.

dockerfiles/wba/Dockerfile

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+FROM alpine:3.11.3
+
+RUN apk update && apk add nginx && \
+  mv /etc/nginx/nginx.conf tmp.conf && \
+  echo "daemon off;" >/etc/nginx/nginx.conf && \
+  echo "" >>/etc/nginx/nginx.conf && \
+  cat tmp.conf >>/etc/nginx/nginx.conf && \
+  rm tmp.conf && \
+  mkdir /run/nginx
+
+COPY files/default.conf /etc/nginx/conf.d/default.conf
+
+RUN apk add gettext

dockerfiles/wba/files/default.conf

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+# This is a default site configuration which will simply return 404, preventing
+# chance access to any other virtualhost.
+
+server {
+        listen ${PORT0} default_server;
+        listen [::]:${PORT0} default_server;
+
+        # Everything is a 404
+        location / {
+                return 404;
+        }
+
+        # You may need this to prevent return 404 recursion.
+        location = /404.html {
+                internal;
+        }
+}
+