Small docker fixes

Add a `demodata` target to the docker entrypoint script, and update the
documenation to use the entrypoint arguments.

docker/Dockerfile-prod

@@ -32,6 +32,7 @@ COPY contrib/common/apt/ralph.list \
      docker/provision/docker-entrypoint.sh \
      docker/provision/createsuperuser.py \
      docker/provision/start-ralph.sh \
+     docker/provision/demo-ralph.sh \
      docker/provision/wait-for-it.sh \
      docker/provision/install_ralph.sh \
      build/*$RALPH_VERSION*.deb \

docker/provision/demo-ralph.sh

@@ -0,0 +1,4 @@
+#! /bin/bash
+set -eu
+
+ralph demodata

docker/provision/docker-entrypoint.sh

@@ -51,7 +51,10 @@ case "$ARG" in
     upgrade)
         "${RALPH_LOCAL_DIR}/init-ralph.sh" upgrade
         ;;
+    demodata)
+        "${RALPH_LOCAL_DIR}/demo-ralph.sh"
+        ;;
     *)
-        echo "Usage: ${0} {start|init|upgrade}"
+        echo "Usage: ${0} {start|init|upgrade|demodata}"
         exit 1
 esac

docker/provision/install_ralph.sh

@@ -12,6 +12,7 @@ move_scripts() {
         start-ralph.sh \
         wait-for-it.sh \
         init-ralph.sh \
+        demo-ralph.sh \
     "
 
     for f in $files_to_move; do

docs/installation/installation.md

@@ -182,13 +182,13 @@ Then build ralph:
 
 To initialize database run:
 
-    docker-compose run --rm web /root/init.sh
+    docker-compose run --rm web init
 
 Notice that this command should be executed only once, at the very beginning.
 
 If you need to populate Ralph with some demonstration data run:
 
-    docker-compose run --rm web ralph demodata
+    docker-compose run --rm web demodata
 
 ### Run
 
@@ -200,7 +200,7 @@ Ralph should be accessible at ``http://127.0.0.1`` (or if you are using ``boot2d
 
 If you are upgrading ralph image (source code) run:
 
-    docker-compose run --rm web /root/upgrade.sh
+    docker-compose run --rm web upgrade
 
 
 # Migration from Ralph 2