sudo apt-get update -qq
sudo apt-get install -y build-essential cmake g++ libboost-dev libboost-system-dev \
                        libboost-filesystem-dev libexpat1-dev zlib1g-dev libxml2-dev\
                        libbz2-dev libpq-dev libproj-dev \
                        postgresql-server-dev-10 postgresql-10-postgis-2.4 \
                        postgresql-contrib-10 \
                        apache2 php php-pgsql libapache2-mod-php php-pear php-db \
                        php-intl git

export USERNAME=ubuntu
export USERHOME=/home/ubuntu/nominatim
export NOMINATIM_SOURCE_DIR=$USERHOME/Nominatim-3.2.0
export APACHE_BASE_DIR=$NOMINATIM_SOURCE_DIR/build/website
mkdir nominatim

# create 32GB swap file
sudo dd if=/dev/zero of=/swapfile bs=1G count=32
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile
sudo tee -a /etc/fstab << EOFFSTAB
/swapfile swap swap defaults 0 0
EOFFSTAB

# postgresql
sudo tee -a /etc/postgresql/10/main/postgresql.conf << EOFPOSTGRESCONF
# settings for 32GB memory
shared_buffers = 2GB
maintenance_work_mem = 10GB
work_mem = 50MB
effective_cache_size = 24GB
synchronous_commit = off
#checkpoint_segments = 100 # only for postgresql <= 9.4
checkpoint_timeout = 10min
checkpoint_completion_target = 0.9

fsync = off
full_page_writes = off
EOFPOSTGRESCONF

sudo systemctl restart postgresql

sudo -u postgres createuser -s $USERNAME
sudo -u postgres createuser www-data

# apache
sudo tee /etc/apache2/conf-available/nominatim.conf << EOFAPACHECONF
<Directory "$APACHE_BASE_DIR">
  Options FollowSymLinks MultiViews
  AddType text/html   .php
  DirectoryIndex search.php
  Require all granted
</Directory>

Alias /nominatim $APACHE_BASE_DIR
EOFAPACHECONF

sudo a2enconf nominatim
sudo systemctl restart apache2

# nominatim
cd $USERHOME
wget https://nominatim.org/release/Nominatim-3.2.0.tar.bz2
tar xf Nominatim-3.2.0.tar.bz2
cd Nominatim-3.2.0
mkdir build
cd build
cmake ..
make

tee settings/local.php << EOF
<?php
 @define('CONST_Website_BaseURL', '/nominatim/');
 @define('CONST_Osm2pgsql_Flatnode_File', '$USERHOME/flatnode.file');
EOF

touch $USERHOME/flatnode.file

# load auxiliary data
cd $NOMINATIM_SOURCE_DIR/data
wget https://www.nominatim.org/data/wikipedia_article.sql.bin
wget https://www.nominatim.org/data/wikipedia_redirect.sql.bin
wget https://www.nominatim.org/data/gb_postcode_data.sql.gz

# ingest geodata
cd $NOMINATIM_SOURCE_DIR/build
# whole planet
wget https://planet.openstreetmap.org/pbf/planet-latest.osm.pbf
./utils/setup.php --osm-file planet-latest.osm.pbf --all --osm2pgsql-cache 24000 2>&1 | tee setup.log