Remove root user from docker, update ports and update Node / libraries

Dockerfile

@@ -1,26 +1,25 @@
-FROM node:8-alpine
+FROM node:12-alpine
 MAINTAINER "Dan Farrelly <daniel.j.farrelly@gmail.com>"
 
 ENV NODE_ENV production
 
 RUN apk add --no-cache curl
 
-RUN mkdir -p /usr/src/app
-WORKDIR /usr/src/app
+USER node
 
-ADD package*.json /usr/src/app/
+WORKDIR /home/node
+
+COPY --chown=node:node . /home/node
 
 RUN npm install && \
     npm prune && \
     npm cache clean --force && \
     rm -rf /tmp/*
 
-ADD . /usr/src/app/
-
-EXPOSE 80 25
+EXPOSE 1080 1025
 
-ENTRYPOINT ["bin/maildev"]
-CMD ["--web", "80", "--smtp", "25"]
+ENTRYPOINT ["/home/node/bin/maildev"]
+CMD ["--web", "1080", "--smtp", "1025"]
 
 HEALTHCHECK --interval=10s --timeout=1s \
-  CMD curl -k -f -v http://localhost/healthz || exit 1
+  CMD curl -k -f -v http://localhost:1080/healthz || exit 1

README.md

@@ -19,7 +19,7 @@ If you want to use MailDev with [Docker](https://www.docker.com/), you can use t
 For a guide for usage with Docker,
 [checkout the docs](https://github.com/djfarrelly/MailDev/blob/master/docs/docker.md).
 
-    $ docker run -p 1080:80 -p 1025:25 djfarrelly/maildev
+    $ docker run -p 1080:1080 -p 1025:1025 djfarrelly/maildev
 
 For convenient use with Grunt, try [grunt-maildev](https://github.com/xavierpriour/grunt-maildev).
 

docs/docker.md

@@ -13,7 +13,7 @@ If you don't have the image on your machine, Docker will pull it. Let's name
 it "maildev" and publish the interface on port `1080`:
 
 ```
-$ docker run -p 1080:80 --name maildev djfarrelly/maildev
+$ docker run -p 1080:1080 --name maildev djfarrelly/maildev
 ```
 
 Now the MailDev UI will be running at port `1080` on your virtual machine
@@ -39,7 +39,7 @@ The Dockerfile specifically EXPOSES port 80 and 25, therefor you need to tell ma
 This example adds the base-pathname parameter.
 
 ```
-$ docker run -p 1080:80 -p 1025:25 djfarrelly/maildev bin/maildev --base-pathname /maildev -w 80 -s 25
+$ docker run -p 1080:1080 -p 1025:1025 djfarrelly/maildev bin/maildev --base-pathname /maildev -w 1080 -s 1025
 ```