struct(dockerfile): initial build skeleton

build/Dockerfile

@@ -0,0 +1,36 @@
+# LiveReload-npm server supporting SSL/TLS
+ARG NODE_VERSION=16
+ARG ALPINE_VERSION=3.14
+FROM node:${NODE_VERSION}-alpine${ALPINE_VERSION}
+
+RUN apk --update --no-cache add \
+    tini \
+    && mkdir /certs \
+    && chown node:node /certs \
+    && chmod 700 certs
+
+ENV NODE_ENV=production
+ENV NPM_CONFIG_PREFIX=/home/node/.npm-global
+ENV PATH=/home/node/.npm-global/bin:$PATH
+
+USER node
+WORKDIR /home/node
+RUN mkdir -p .npm-global/bin .npm-global/lib \
+    && npm config set fun false \
+    && npm config set update-notifier false \
+    && npm install livereload --save
+COPY [ "livereload.js", "livereload.js" ]
+
+EXPOSE 35729
+VOLUME [ "/var/watch" ]
+
+ENV TZ="Etc/UTC"
+ENV LR_PORT=35729
+ENV LR_EXTS="html,xml,css,js,jsx,ts,tsx,php,py"
+ENV LR_EXCLUDE=".git/,.svn/,.vscode/,.idea/"
+ENV LR_DELAY=500
+
+ENTRYPOINT [ "/sbin/tini", "--" ]
+CMD [ "node", "livereload.js" ]
+
+#EOF