added support for docker to run with a certain PUID and PGID

Dockerfile

@@ -1,6 +1,6 @@
 FROM node:8-alpine
 
-RUN apk add yarn git bash
+RUN apk add yarn git bash s6
 RUN mkdir -p /opt/mykb
 
 # install node_modules to tmp so it can be cached
@@ -15,13 +15,13 @@ RUN cd /opt/mykb && yarn build
 COPY docker_startup.sh /mykb
 RUN chmod +x /mykb
 
-VOLUME /kb
-VOLUME /db
-VOLUME /config
+VOLUME /kb /db /config
 
 EXPOSE 3030
 
 ARG GIT_NAME=mykb
 ARG GIT_EMAIL=mykb@localhost
+ARG PUID
+ARG PGID
 
 CMD [ "/mykb" ]

docker_startup.sh

@@ -1,25 +1,40 @@
 #!/bin/bash
 
+PKGDIR="/opt/mykb"
+DBDIR="$PKGDIR/db"
+KBDIR="$PKGDIR/kb"
+CONFDIR="$PKGDIR/config"
+
 if [ -d "/db" ];then
-  rm -rf /opt/mykb/db
-  ln -s /db /opt/mykb/db
+  rm -rf $DBDIR
+  ln -s /db $DBDIR
+  DBDIR="/db"
 fi
 
 if [ -d "/kb" ];then
   rm -rf /opt/mykb/kb
   ln -s /kb /opt/mykb/kb
+  KBDIR="/kb"
 fi
 
 if [ -d "/config" ];then
-  for i in /opt/mykb/config/*;do file=${i#/opt/mykb/config/}; if [ ! -f "/config/$file" ];then cp "$i" "/config/$file"; fi;done
-  rm -rf /opt/mykb/config
-  ln -s /config /opt/mykb/config
+  for i in $CONFDIR/*;do file=${i#/opt/mykb/config/}; if [ ! -f "/config/$file" ];then cp "$i" "/config/$file"; fi;done
+  rm -rf $CONFDIR
+  ln -s /config $CONFDIR
+  CONFDIR="/config"
 fi
 
-git config --global user.email "$GIT_EMAIL"
-git config --global user.name "$GIT_NAME"
-
 cd /opt/mykb 
-echo $PWD
-NODE_ENV=production node ./genSecret.js
-yarn start
+export NODE_ENV=production
+
+if [ -z "$PUID" ];then
+  echo 'no PUID set running as default user'
+  node ./genSecret.js && node ./src
+else
+  echo 'chowning files'
+  DIRS=($KBDIR $DBDIR $CONFDIR)
+  for dir in ${DIRS[@]};do chown "$PUID:$PGID" $dir;done
+  chown "$PUID:$PGID" -R $CONFDIR
+  s6-setuidgid "$PUID:$PGID" node ./genSecret.js 
+  s6-setuidgid "$PUID:$PGID" node ./src
+fi

src/services/docs/docs.class.js

@@ -22,6 +22,8 @@ class Service {
       fs.stat(path.join(this.docsDir, '.git'), async err => {
         if (err && err.code === 'ENOENT') {
           git.init().then(() => {
+            git.addConfig('user.name', 'mykb')
+            git.addConfig('user.email', 'mykb@localhost')
             if (this.numInitDocs === 0) return
             git.add('./*').then(() => git.commit('initial commit'))
           })