Clean Dockefile

- Fix healthcheck
- Switch back to using local files for creation instead of global install
- Use build container for installing node modules
- Remove docs from Dockerfile

docker/Dockerfile

@@ -1,23 +1,48 @@
-FROM alpine:latest
+FROM alpine:latest as build
 
 LABEL description="Armadietto NodeJS web service (a RemoteStorageJS backend)"
 
+ARG PROJECT_NAME="armadietto"
+ARG PKG_MANAGER="yarn"
+ARG INSTALL_COMMAND="yarn install --pure-lockfile --production"
+
+RUN mkdir /opt/armadietto
+WORKDIR /opt/armadietto
+
+RUN apk add nodejs $PKG_MANAGER
+
+COPY package.json ./
+COPY package-lock.json ./
+COPY yarn.lock ./
+
+RUN $INSTALL_COMMAND
+
+FROM alpine:latest
+
 ARG CONFIG_PATH_STORAGE="/usr/share/armadietto"
 ARG PROJECT_NAME="armadietto"
 ARG PORT="8000"
 ARG USER="armadietto"
-ARG PKG_MANAGER="yarn"
-ARG INSTALL_COMMAND="yarn global --cache-folder /dev/shm/yarn-cache add"
 
 ENV NODE_ENV production
 ENV PROJECT_NAME=$PROJECT_NAME
+ENV PORT=$PORT
 
-RUN apk add nodejs $PKG_MANAGER
+RUN mkdir /opt/armadietto
+WORKDIR /opt/armadietto
+
+RUN apk add nodejs
 RUN mkdir -m 0700 $CONFIG_PATH_STORAGE
 RUN adduser -u 6582 -HD $PROJECT_NAME
 RUN chown $PROJECT_NAME $CONFIG_PATH_STORAGE
 
-RUN $INSTALL_COMMAND $PROJECT_NAME
+COPY --from=build /opt/armadietto/node_modules/ node_modules/
+COPY package.json ./
+COPY README.md ./
+COPY lib/ lib/
+COPY bin/ bin/
+
+RUN ln -s /opt/armadietto/bin/armadietto.js /usr/local/bin/armadietto
 
 COPY docker/config.json /etc/armadietto.conf.json
 
@@ -27,39 +52,4 @@ USER $PROJECT_NAME
 
 CMD $PROJECT_NAME -c /etc/armadietto.conf.json
 
-HEALTHCHECK CMD curl --fail http://127.0.0.1:$PORT/ || exit 1
-
-### Install ###
-#
-# BUILD:
-#
-# default for amd64 architecture
-#
-# > docker build -t armadietto:latest .
-# > docker build -t --build-arg PKG_MANAGER="npm" --build-arg INSTALL_COMMAND="npm i -g" armadietto:latest .
-#
-# RUN:
-#
-# > docker run --rm -p 8000:8000 rarmadietto:latest
-#
-# INFO: config.json needs to be byside the Dockerfile
-#
-# {
-#   "allow_signup": true,
-#   "storage_path": "/usr/share/armadietto",
-#   "cache_views": true,
-#   "http": {
-#     "host": "0.0.0.0",
-#     "port": 8000
-#   },
-#   "https": {
-#     "enable": false,
-#     "force": false,
-#     "port": 4443,
-#     "cert": "/etc/letsencrypt/live/example.com/cert.pem",
-#     "key": "/etc/letsencrypt/live/example.com/privkey.pem"
-#   },
-#   "basePath": ""
-# }
-#
-###
+HEALTHCHECK --start-period=10s CMD wget -q -O /dev/null http://127.0.0.1:$PORT/