From cc10ee22414e8b8fadb6fd7ded431a39dd60cfb6 Mon Sep 17 00:00:00 2001
From: Asif Bacchus <asif@asifbacchus.dev>
Date: Thu, 22 Jul 2021 16:36:36 -0600
Subject: [PATCH] struct(Dockerfile): align with previous customizations

---
 build/Dockerfile | 53 +++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 41 insertions(+), 12 deletions(-)

diff --git a/build/Dockerfile b/build/Dockerfile
index 0957976..504245a 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -1,36 +1,65 @@
 # LiveReload-npm server supporting SSL/TLS
+
+# allow dynamic building by specifying base image elements as build-args
 ARG NODE_VERSION=16
 ARG ALPINE_VERSION=3.14
 FROM node:${NODE_VERSION}-alpine${ALPINE_VERSION}
 
+# create new node user with set id from build-arg
+ARG NODE_UID=9999
+RUN deluser --remove-home node \
+    && addgroup -g ${NODE_UID} -S node \
+    && adduser -G node -S -u ${NODE_UID} node
+
+# add tini, timezone support and create certificate directories
 RUN apk --update --no-cache add \
     tini \
+    tzdata \
     && mkdir /certs \
     && chown node:node /certs \
     && chmod 700 certs
 
+# labels
+LABEL org.opencontainers.image.authors="Asif Bacchus <asif@asifbacchus.dev>"
+LABEL org.opencontainers.image.title="livereload npm"
+LABEL org.opencontainers.image.description="Dockerized npm livereload supporting TLS and running under limited user account. Environment variables allow specifying files to watch/exclude and notification delay."
+LABEL org.opencontainers.image.url="https://git.asifbacchus.dev/ab-docker/livereload"
+LABEL org.opencontainers.image.documentation="https://git.asifbacchus.dev/ab-docker/livereload/raw/branch/master/README.md"
+LABEL org.opencontainers.image.source="https://git.asifbacchus.dev/ab-docker/livereload.git"
+
+# create default volume in-case user forgets, expose default port
+VOLUME [ "/var/watch" ]
+EXPOSE 35729
+
+# default environment variables
 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
 
+# install livereload npm and copy server script
+USER node
+WORKDIR /home/node
+RUN mkdir -p .npm-global/bin .npm-global/lib \
+    && npm config set fund false \
+    && npm config set update-notifier false \
+    && npm install livereload --save
+COPY [ "livereload.js", "livereload.js" ]
+
+# run server via tini by default
 ENTRYPOINT [ "/sbin/tini", "--" ]
 CMD [ "node", "livereload.js" ]
 
+# set build timestamp and version labels
+ARG BUILD_DATE
+LABEL org.opencontainers.image.version="16.5.0, 0.9.3"
+LABEL org.opencontainers.image.vendor="NODE.js, node-livereload"
+LABEL dev.asifbacchus.image.name="livereload-tls-npm"
+LABEL dev.asifbacchus.image.version="2.0"
+LABEL org.opencontainers.image.created=${BUILD_DATE}
+
 #EOF