feat: postgres/12

Author: sushantdhiman

12/Dockerfile

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+FROM postgres:12
+MAINTAINER sushantdhiman "[email protected]"
+
+ENV POSTGIS_MAJOR 3
+ENV POSTGIS_VERSION 3.0.0+dfsg-2~exp1.pgdg100+1
+
+RUN apt-get update \
+      && apt-cache showpkg postgresql-$PG_MAJOR-postgis-$POSTGIS_MAJOR \
+      && apt-get install -y --no-install-recommends \
+           postgresql-$PG_MAJOR-postgis-$POSTGIS_MAJOR=$POSTGIS_VERSION \
+           postgresql-$PG_MAJOR-postgis-$POSTGIS_MAJOR-scripts=$POSTGIS_VERSION \
+           postgis=$POSTGIS_VERSION \
+      && rm -rf /var/lib/apt/lists/*
+
+
+COPY ./init-sequelize-db.sh /docker-entrypoint-initdb.d/postgis.sh
+COPY ./update-sequelize-db.sh /usr/local/bin/update-sequelize-db.sh

12/init-sequelize-db.sh

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+#!/bin/sh
+
+set -e
+
+# Perform all actions as $POSTGRES_USER
+export PGUSER="$POSTGRES_USER"
+
+for DB in "$POSTGRES_DB"; do
+	echo "Loading Sequelize extensions into $DB"
+	"${psql[@]}" --dbname="$DB" <<-'EOSQL'
+		CREATE EXTENSION IF NOT EXISTS postgis;
+		CREATE EXTENSION IF NOT EXISTS btree_gist;
+		CREATE EXTENSION IF NOT EXISTS hstore;
+		CREATE EXTENSION IF NOT EXISTS citext;
+EOSQL
+done

12/update-sequelize-db.sh

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+#!/bin/sh
+
+set -e
+
+# Perform all actions as $POSTGRES_USER
+export PGUSER="$POSTGRES_USER"
+
+POSTGIS_VERSION="${POSTGIS_VERSION%%+*}"
+
+for DB in "$POSTGRES_DB" "${@}"; do
+    echo "Updating Sequelize extensions '$DB' to $POSTGIS_VERSION"
+    psql --dbname="$DB" -c "
+        -- Upgrade PostGIS (includes raster)
+        CREATE EXTENSION IF NOT EXISTS postgis VERSION '$POSTGIS_VERSION';
+        ALTER EXTENSION postgis UPDATE TO '$POSTGIS_VERSION';
+    "
+done