diff --git a/Makefile b/Makefile
index 23631ba..05f6844 100644
--- a/Makefile
+++ b/Makefile
@@ -22,7 +22,10 @@ podcheck:
 test-sqlite:
 	MOJO_CONFIG=t/sqlite.conf $(CARTON) $(REAL_LUTIM) test
 
-test: podcheck test-sqlite
+test-pg:
+	MOJO_CONFIG=t/postgresql.conf $(CARTON) $(REAL_LUTIM) test
+
+test: podcheck test-sqlite test-pg
 
 clean:
 	rm -rf lutim.db files/
@@ -33,3 +36,18 @@ dev:
 
 devlog:
 	multitail log/development.log
+
+create-pg-test-db:
+	 sudo -u postgres psql -f t/create-pg-testdb.sql
+
+stats:
+	$(CARTON) $(LUTIM) cron stats -m production
+
+watch:
+	$(CARTON) $(LUTIM) cron watch -m production
+
+cleanfiles:
+	$(CARTON) $(LUTIM) cron cleanfiles -m production
+
+cleanbdd:
+	$(CARTON) $(LUTIM) cron cleanbdd -m production
diff --git a/lib/Lutim/Command/cron/cleanbdd.pm b/lib/Lutim/Command/cron/cleanbdd.pm
index c13b744..b65589b 100644
--- a/lib/Lutim/Command/cron/cleanbdd.pm
+++ b/lib/Lutim/Command/cron/cleanbdd.pm
@@ -1,8 +1,8 @@
 # vim:set sw=4 ts=4 sts=4 ft=perl expandtab:
 package Lutim::Command::cron::cleanbdd;
 use Mojo::Base 'Mojolicious::Command';
-use Lutim::DB::Image;
 use Mojo::File;
+use Lutim::DB::Image;
 use FindBin qw($Bin);
 use File::Spec qw(catfile);
 
diff --git a/lib/Lutim/Command/cron/cleanfiles.pm b/lib/Lutim/Command/cron/cleanfiles.pm
index 59a2def..1293213 100644
--- a/lib/Lutim/Command/cron/cleanfiles.pm
+++ b/lib/Lutim/Command/cron/cleanfiles.pm
@@ -1,10 +1,9 @@
 # vim:set sw=4 ts=4 sts=4 ft=perl expandtab:
 package Lutim::Command::cron::cleanfiles;
 use Mojo::Base 'Mojolicious::Command';
-use Mojo::Util qw(slurp decode);
+use Mojo::File;
 use Lutim::DB::Image;
 use Lutim;
-use Mojo::File;
 use FindBin qw($Bin);
 use File::Spec qw(catfile);
 
diff --git a/lib/Lutim/Command/cron/stats.pm b/lib/Lutim/Command/cron/stats.pm
index 7c83920..f4848d4 100644
--- a/lib/Lutim/Command/cron/stats.pm
+++ b/lib/Lutim/Command/cron/stats.pm
@@ -1,10 +1,10 @@
 # vim:set sw=4 ts=4 sts=4 ft=perl expandtab:
 package Lutim::Command::cron::stats;
 use Mojo::Base 'Mojolicious::Command';
-use Lutim::DB::Image;
 use Mojo::DOM;
 use Mojo::Util qw(encode);
 use Mojo::File;
+use Lutim::DB::Image;
 use DateTime;
 use FindBin qw($Bin);
 use File::Spec qw(catfile);
diff --git a/lib/Lutim/Command/cron/watch.pm b/lib/Lutim/Command/cron/watch.pm
index 4eb2ba5..31eda39 100644
--- a/lib/Lutim/Command/cron/watch.pm
+++ b/lib/Lutim/Command/cron/watch.pm
@@ -1,7 +1,6 @@
 # vim:set sw=4 ts=4 sts=4 ft=perl expandtab:
 package Lutim::Command::cron::watch;
 use Mojo::Base 'Mojolicious::Command';
-use Mojo::Util qw(slurp decode);
 use Filesys::DiskUsage qw/du/;
 use Lutim::DB::Image;
 use Lutim;
diff --git a/lib/Lutim/DB/Image/Pg.pm b/lib/Lutim/DB/Image/Pg.pm
index 23c70c9..8340f26 100644
--- a/lib/Lutim/DB/Image/Pg.pm
+++ b/lib/Lutim/DB/Image/Pg.pm
@@ -46,8 +46,7 @@ sub select_created_after {
         sub {
             my ($e, $num) = @_;
             my $i = Lutim::DB::Image->new(app => $c->app);
-            $i->record(1);
-            $i->_slurp;
+            $i->_slurp($e);
 
             push @images, $i;
         }
@@ -61,8 +60,7 @@ sub select_empty {
 
     my $record = $c->app->pg->db->query('SELECT * FROM lutim WHERE path IS NULL LIMIT 1')->hashes->first;
 
-    $c->record(1);
-    $c = $c->_slurp;
+    $c = $c->_slurp($record);
 
     return $c;
 }
@@ -84,7 +82,7 @@ sub count_short {
     my $c     = shift;
     my $short = shift;
 
-    return $c->app->pg->db->query('SELECT count(short) FROM lutim WHERE short IS ?', $short)->hashes->first->{count};
+    return $c->app->pg->db->query('SELECT count(short) FROM lutim WHERE short = ?', $short)->hashes->first->{count};
 }
 
 sub count_empty {
@@ -121,7 +119,7 @@ sub get_no_longer_viewed_files {
             my ($e, $num) = @_;
             my $i = Lutim::DB::Image->new(app => $c->app);
             $i->record(1);
-            $i->_slurp;
+            $i->_slurp($e);
 
             push @images, $i;
         }
@@ -141,8 +139,7 @@ sub get_images_to_clean {
         sub {
             my ($e, $num) = @_;
             my $i = Lutim::DB::Image->new(app => $c->app);
-            $i->record(1);
-            $i->_slurp;
+            $i->_slurp($e);
 
             push @images, $i;
         }
@@ -162,8 +159,7 @@ sub get_50_oldest {
         sub {
             my ($e, $num) = @_;
             my $i = Lutim::DB::Image->new(app => $c->app);
-            $i->record(1);
-            $i->_slurp;
+            $i->_slurp($e);
 
             push @images, $i;
         }
@@ -183,12 +179,20 @@ sub disable {
 
 sub _slurp {
     my $c = shift;
+    my $r = shift;
 
-    my $images = $c->app->pg->db->query('SELECT * FROM lutim WHERE short = ?', $c->short)->hashes;
+    my $image;
+    if (defined $r) {
+        $image = $r;
+    } else {
+        my $images = $c->app->pg->db->query('SELECT * FROM lutim WHERE short = ?', $c->short)->hashes;
 
-    if ($images->size) {
-        my $image = $images->first;
+        if ($images->size) {
+            $image = $images->first;
+        }
+    }
 
+    if ($image) {
         $c->short($image->{short});
         $c->path($image->{path});
         $c->footprint($image->{footprint});
diff --git a/lib/Lutim/DB/Image/SQLite.pm b/lib/Lutim/DB/Image/SQLite.pm
index 67c2205..65de29c 100644
--- a/lib/Lutim/DB/Image/SQLite.pm
+++ b/lib/Lutim/DB/Image/SQLite.pm
@@ -217,23 +217,25 @@ sub _slurp {
     }
 
     if (scalar @images) {
-        $c->short($images[0]->short);
-        $c->path($images[0]->path);
-        $c->footprint($images[0]->footprint);
-        $c->enabled($images[0]->enabled);
-        $c->mediatype($images[0]->mediatype);
-        $c->filename($images[0]->filename);
-        $c->counter($images[0]->counter);
-        $c->delete_at_first_view($images[0]->delete_at_first_view);
-        $c->delete_at_day($images[0]->delete_at_day);
-        $c->created_at($images[0]->created_at);
-        $c->created_by($images[0]->created_by);
-        $c->last_access_at($images[0]->last_access_at);
-        $c->mod_token($images[0]->mod_token);
-        $c->width($images[0]->width);
-        $c->height($images[0]->height);
+        my $image = $images[0];
 
-        $c->record($images[0]) unless $c->record;
+        $c->short($image->short);
+        $c->path($image->path);
+        $c->footprint($image->footprint);
+        $c->enabled($image->enabled);
+        $c->mediatype($image->mediatype);
+        $c->filename($image->filename);
+        $c->counter($image->counter);
+        $c->delete_at_first_view($image->delete_at_first_view);
+        $c->delete_at_day($image->delete_at_day);
+        $c->created_at($image->created_at);
+        $c->created_by($image->created_by);
+        $c->last_access_at($image->last_access_at);
+        $c->mod_token($image->mod_token);
+        $c->width($image->width);
+        $c->height($image->height);
+
+        $c->record($image) unless $c->record;
     }
 
     return $c;
diff --git a/lib/Mounter.pm b/lib/Mounter.pm
index 19d21cb..58527d6 100644
--- a/lib/Mounter.pm
+++ b/lib/Mounter.pm
@@ -28,6 +28,8 @@ sub startup {
         }
     );
 
+    $self->plugin('Lutim::Plugin::Helpers');
+
     $config->{prefix} = $config->{url_sub_dir} if (defined($config->{url_sub_dir}) && $config->{prefix} eq '/');
 
     $self->app->log->warn('"url_sub_dir" configuration option is deprecated. Use "prefix" instead. "url_sub_dir" will be removed in the future') if (defined($config->{url_sub_dir}));
diff --git a/t/create-pg-testdb.sql b/t/create-pg-testdb.sql
new file mode 100644
index 0000000..d65625c
--- /dev/null
+++ b/t/create-pg-testdb.sql
@@ -0,0 +1,2 @@
+CREATE USER lutim WITH PASSWORD 'lutim';
+CREATE DATABASE lutimtest OWNER lutim;
diff --git a/t/postgresql.conf b/t/postgresql.conf
new file mode 100644
index 0000000..c9205a1
--- /dev/null
+++ b/t/postgresql.conf
@@ -0,0 +1,169 @@
+# vim:set sw=4 ts=4 sts=4 ft=perl expandtab:
+{
+    ####################
+    # Hypnotoad settings
+    ####################
+    # see http://mojolicio.us/perldoc/Mojo/Server/Hypnotoad for a full list of settings
+    hypnotoad => {
+        # array of IP addresses and ports you want to listen to
+        listen => ['http://127.0.0.1:8080'],
+        # if you use Lutim behind a reverse proxy like Nginx, you want to set proxy to 1
+        # if you use Lutim directly, let it commented
+        #proxy  => 1,
+    },
+
+    ################
+    # Lutim settings
+    ################
+
+    # put a way to contact you here and uncomment it
+    # mandatory
+    contact           => 'John Doe, admin[at]example.com',
+
+    # random string used to encrypt cookies
+    # mandatory
+    secrets           => ['fdjsofjoihrei'],
+
+    # choose a theme. See the available themes in `themes` directory
+    # optional, default is 'default'
+    #theme         => 'default',
+
+    # length of the images random URL
+    # optional, default is 8
+    #length            => 8,
+
+    # length of the encryption key
+    # optional, default is 8
+    #crypto_key_length => 8,
+
+    # how many URLs will be provisioned in a batch ?
+    # optional, default is 5
+    #provis_step       => 5,
+
+    # max number of URLs to be provisioned
+    # optional, default is 100
+    #provisioning      => 100,
+
+    # anti-flood protection delay, in seconds
+    # users won't be able to ask Lutim to download images more than one per anti_flood_delay seconds
+    # optional, default is 5
+    #anti_flood_delay  => 5,
+
+    # twitter account which will appear on twitter cards
+    # see https://dev.twitter.com/docs/cards/validation/validator to register your Lutim instance on twitter
+    # optional, default is @framasky
+    #tweet_card_via    => '@framasky',
+
+    # max image size, in octets
+    # you can write it 10*1024*1024
+    # optional, default is 10485760
+    max_file_size     => 1048576,
+
+    # if you want to have piwik statistics, provide a piwik image tracker
+    # only the image tracker is allowed, no javascript
+    # optional, no default
+    #piwik_img         => 'https://piwik.example.org/piwik.php?idsite=1&rec=1',
+
+    # if you want to include something in the right of the screen, put it here
+    # here's an example to put the logo of your hoster
+    # optional, no default
+    #hosted_by         => 'My super hoster <img src="http://hoster.example.com" alt="Hoster logo">',
+
+    # DEPRECATED DEPRECATED DEPRECATED DEPRECATED DEPRECATED DEPRECATED DEPRECATED DEPRECATED DEPRECATED DEPRECATED
+    # Lutim now checks if the X-Forwarded-Proto header is present and equal to https.
+    # set to 1 if you use Lutim behind a secure web server
+    # optional, default is 0
+    #https             => 0,
+
+    # broadcast_message which will displayed on all pages of Lutim (but no in json response)
+    # optional, no default
+    broadcast_message => 'test broadcast message',
+
+    # array of authorized domains for API calls.
+    # if you want to authorize everyone to use the API: ['*']
+    # optional, no domains allowed by default
+    #allowed_domains   => ['http://1.example.com', 'http://2.example.com'],
+
+    # default time limit for files
+    # valid values are 0, 1, 7, 30 and 365
+    # optional, default is 0 (no limit)
+    default_delay     => 30,
+
+    # number of days after which the images will be deleted, even if they were uploaded with "no delay" (or value superior to max_delay)
+    # a warning message will be displayed on homepage
+    # optional, default is 0 (no limit)
+    max_delay         => 200,
+
+    # if set to 1, all the images will be encrypted and the encryption option will no be displayed
+    # optional, default is 0
+    #always_encrypt    => 0,
+
+    # length of the image's delete token
+    # optional, default is 24
+    #token_length      => 24,
+
+    # URL sub-directory in which you want Lutim to be accessible
+    # example: you want to have Lutim under https://example.org/lutim/
+    # => set prefix to '/lutim' or to '/lutim/', it doesn't matter
+    # optional, defaut is /
+    #prefix            => '/',
+
+    # choose what database you want to use
+    # valid choices are sqlite and postgresql (all lowercase)
+    # optional, default is sqlite
+    dbtype => 'postgresql',
+
+    # SQLite ONLY - only used if dbtype is set to sqlite
+    # define a path to the SQLite database
+    # you can define it relative to lutim directory or set an absolute path
+    # remember that it has to be in a directory writable by Lutim user
+    # optional, default is lutim.db
+    #db_path           => 'lutim.db',
+
+    # PostgreSQL ONLY - only used if dbtype is set to postgresql
+    # these are the credentials to access the PostgreSQL database
+    # mandatory if you choosed postgresql as dbtype
+    pgdb => {
+        database => 'lutimtest',
+        host     => 'localhost',
+        user     => 'lutim',
+        pwd      => 'lutim'
+    },
+
+    # define the height of the thumbnails generated at users' will
+    # this is not the height of the thumbnails send after upload,
+    # we're talking about thumbnails generated when someone asked for
+    # https://example.org/lutim/tesrinp?thumb
+    # this works only if you have ImageMagick
+    # optional, default is 100 (pixels)
+    #thumbnail_size => 100,
+
+    ##########################
+    # Lutim cron jobs settings
+    ##########################
+
+    # number of days shown in /stats page (used with script/lutim cron stats)
+    # optional, default is 365
+    #stats_day_num     => 365,
+
+    # number of days senders' IP addresses are kept in database
+    # after that delay, they will be deleted from database (used with script/lutim cron cleanbdd)
+    # optional, default is 365
+    #keep_ip_during    => 365,
+
+    # max size of the files directory, in octets
+    # used by script/lutim cron watch to trigger an action
+    # optional, no default
+    #max_total_size    => 10*1024*1024*1024,
+
+    # default action when files directory is over max_total_size (used with script/lutim cron watch)
+    # valid values are 'warn', 'stop-upload' and 'delete'
+    # please, see readme
+    # optional, default is 'warn'
+    #policy_when_full  => 'warn',
+
+    # images which are not viewed since delete_no_longer_viewed_files days will be deleted by the cron cleanfiles task
+    # if delete_no_longer_viewed_files is not set, the no longer viewed files will NOT be deleted
+    # optional, no default
+    #delete_no_longer_viewed_files => 90
+};
diff --git a/utilities/migrations.sql b/utilities/migrations.sql
index c35f272..7663d03 100644
--- a/utilities/migrations.sql
+++ b/utilities/migrations.sql
@@ -1,20 +1,20 @@
 -- 1 up
 CREATE TABLE IF NOT EXISTS lutim (
     short text PRIMARY KEY,
-    path text,
-    footprint text,
+    path text default null,
+    footprint text default null,
     enabled integer,
-    mediatype text,
-    filename text,
+    mediatype text default null,
+    filename text default null,
     counter integer default 0,
-    delete_at_first_view integer,
-    delete_at_day integer,
-    created_at integer,
-    created_by text,
-    last_access_at integer,
-    mod_token text,
-    width integer,
-    height integer)'
+    delete_at_first_view integer default null,
+    delete_at_day integer default null,
+    created_at integer default null,
+    created_by text default null,
+    last_access_at integer default null,
+    mod_token text default null,
+    width integer default null,
+    height integer default null
 );
 -- 1 down
 DROP TABLE lutim;