diff --git a/app/migrations/0001_initial.py b/app/migrations/0001_initial.py
index a96fd404..60cb3601 100644
--- a/app/migrations/0001_initial.py
+++ b/app/migrations/0001_initial.py
@@ -76,7 +76,7 @@ class Migration(migrations.Migration):
                 ('options', django.contrib.postgres.fields.jsonb.JSONField(blank=True, default={}, help_text='Options that are being used to process this task', validators=[app.models.validate_task_options])),
                 ('console_output', models.TextField(blank=True, default='', help_text="Console output of the OpenDroneMap's process")),
                 ('ground_control_points', models.FileField(blank=True, help_text='Optional Ground Control Points file to use for processing', null=True, upload_to=app.models.gcp_directory_path)),
-                ('orthophoto', django.contrib.gis.db.models.RasterField(blank=True, help_text='Orthophoto created by OpenDroneMap', null=True, srid=4326)),
+                ('orthophoto', models.CharField(blank=True, help_text='Orthophoto created by OpenDroneMap', null=True, max_length=1)),
                 ('created_at', models.DateTimeField(default=django.utils.timezone.now, help_text='Creation date')),
                 ('pending_action', models.IntegerField(blank=True, choices=[(1, 'CANCEL'), (2, 'REMOVE'), (3, 'RESTART')], db_index=True, help_text='A requested action to be performed on the task. The selected action will be performed by the scheduler at the next iteration.', null=True)),
                 ('processing_node', models.ForeignKey(blank=True, help_text='Processing node assigned to this task (or null if this task has not been associated yet)', null=True, on_delete=django.db.models.deletion.CASCADE, to='nodeodm.ProcessingNode')),
diff --git a/db/Dockerfile b/db/Dockerfile
index 47d7278f..85fa75b4 100644
--- a/db/Dockerfile
+++ b/db/Dockerfile
@@ -1,17 +1,23 @@
 FROM postgres:9.5
 MAINTAINER Piero Toffanin <pt@masseranolabs.com>
 
-ENV POSTGIS_MAJOR 2.3
 ENV POSTGRES_PASSWORD postgres
 
-RUN . /etc/os-release \
-      && echo "deb http://deb.debian.org/debian "$VERSION_CODENAME"-backports main" >> /etc/apt/sources.list \
-	  && apt-get update \
-      && apt-get install -y --no-install-recommends \
-           postgresql-$PG_MAJOR-postgis-$POSTGIS_MAJOR \
-           postgresql-$PG_MAJOR-postgis-$POSTGIS_MAJOR-scripts \
-           postgis \
-      && rm -rf /var/lib/apt/lists/*
+# Build PostGIS from source
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends wget gcc build-essential libproj-dev libgeos-dev libpq-dev libxml2-dev postgresql-server-dev-9.5 && \
+    mkdir /staging && \
+    cd /staging && \
+    wget --no-check-certificate -q https://download.osgeo.org/postgis/source/postgis-2.3.0.tar.gz && \
+    tar -zxvf postgis-2.3.0.tar.gz && \
+    cd postgis-2.3.0 && \
+    ./configure --without-raster && \
+    make -j$(nproc) && \
+    make install && \
+    cd / && \
+    rm -fr /staging && \
+    apt-get remove -y gcc build-essential postgresql-server-dev-9.5 wget && \
+    apt-get clean
 
 EXPOSE 5432
 COPY init.sql /docker-entrypoint-initdb.d/init-db.sql
diff --git a/db/init.sql b/db/init.sql
index 03ea75d3..a122c98a 100644
--- a/db/init.sql
+++ b/db/init.sql
@@ -1,5 +1,3 @@
 ALTER USER postgres PASSWORD 'postgres';
 CREATE DATABASE webodm_dev;
-ALTER DATABASE webodm_dev SET postgis.gdal_enabled_drivers TO 'GTiff';
-ALTER DATABASE webodm_dev SET postgis.enable_outdb_rasters TO True;
-
+CREATE EXTENSION IF NOT EXISTS postgis;