fix some bugs

Dockerfile

@@ -3,6 +3,11 @@ FROM phusion/baseimage:0.11
 # Use baseimage-docker's init system.
 CMD ["/sbin/my_init"]
 
+# make some SSH keys that will never get used just so that
+# the container doesn't generate new ones each and every boot
+# (sshd is not enabled in the container)
+RUN /etc/my_init.d/00_regen_ssh_host_keys.sh
+
 ENV \
     RUN_DB_MIGRATIONS=true \
     SIDEKIQ_WORKERS=5 \

README.md

@@ -35,11 +35,16 @@ Mastodon instance.
 * `RUN_DB_MIGRATIONS` (default: `true`, set to empty string `""` to disable)
 * `SIDEKIQ_WORKERS`: (default: `5`)
 * others: https://github.com/tootsuite/mastodon/blob/master/.env.production.sample
+
 # Volumes
 
 * `/state` - everything lives in here, db, redis, static files, logs,
   everything
 
+Note that `/state/envdir` is an environment-variable-defining directory that
+is used for all service invocations, so you can set environment settings
+here for all processes without restarting the docker container.
+
 # Ports
 
 * 3000: mastodon web (no tls, do that elsewhere)
@@ -75,3 +80,13 @@ Google.)
   "imageName": "sneak/mastodon:v3.0.1"
 }
 ```
+
+# After First Run
+
+```
+# docker exec -ti <container name> /bin/bash
+root@c81a376bf546:~/app# su - mastodon
+mastodon@c81a376bf546:~$ cd app
+mastodon@c81a376bf546:~/app$ RAILS_ENV=production envdir /state/envdir bin/tootctl accounts create <newusername> --email <your email> --confirmed --role admin
+```
+

rootfs/etc/service/postfix/run

@@ -9,19 +9,18 @@ if [[ ! -d /state/envdir ]]; then
     chown mastodon:mastodon /state/envdir
 fi
 
-if [[ ! -e /state/envdir/WEB_DOMAIN ]]; then
-    if [[ -n "$WEB_DOMAIN" ]]; then
-        echo "$WEB_DOMAIN" > /state/envdir/WEB_DOMAIN
-    else
-        hostname --fqdn > /state/envdir/WEB_DOMAIN
-    fi
-    chown mastodon:mastodon /state/envdir/*
+if [[ -z "$WEB_DOMAIN" ]]; then
+    WEB_DOMAIN="$(hostname --fqdn)"
 fi
 
-cat /etc/postfix/main.cf | grep -v '^myhostname' > /etc/postfix/main.new
+if [[ -e /state/envdir/WEB_DOMAIN ]]; then
+    WEB_DOMAIN="$(cat /state/envdir/WEB_DOMAIN)"
+fi
+
+cat /etc/postfix/main.cf | grep -v '^myhostname' | grep -v '^myorigin' > /etc/postfix/main.new
 rm /etc/postfix/main.cf
-echo "myhostname = $(cat /state/envdir/WEB_DOMAIN)" >> /etc/postfix/main.cf
-echo "myorigin = $(cat /state/envdir/WEB_DOMAIN)" >> /etc/postfix/main.cf
+echo "myhostname = $WEB_DOMAIN" >> /etc/postfix/main.cf
+echo "myorigin = $WEB_DOMAIN" >> /etc/postfix/main.cf
 cat /etc/postfix/main.new >> /etc/postfix/main.cf
 rm /etc/postfix/main.new
 

rootfs/etc/service/postgres/run

@@ -24,6 +24,14 @@ if [[ ! -d /state/db ]]; then
     chmod go-rwx /state/db/data
 fi
 
+function shutdown()
+{
+    echo "Shutting down PostgreSQL"
+    pkill postgres
+}
+
+trap shutdown HUP INT QUIT ABRT KILL ALRM TERM TSTP
+
 exec \
     chpst -u mastodon:mastodon \
     /usr/lib/postgresql/10/bin/postmaster -D /state/db 2>&1