Add dockerfile and scripts for postgis docker image

percona-postgis/Dockerfile

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+FROM perconalab/percona-distribution-postgresql:15-ol9
+
+LABEL org.opencontainers.image.authors="[email protected]"
+
+ENV POSTGIS_MAJOR 3
+ENV PG_MAJOR 15
+ENV POSTGIS_VERSION 3.3.1-1
+ENV OS_VER el9
+
+USER root
+
+RUN set -ex; \
+    export GNUPGHOME="$(mktemp -d)"; \
+    gpg --batch --keyserver keyserver.ubuntu.com --recv-keys 430BDF5C56E7C94E848EE60C1C4CBDCDCD2EFD2A 99DB70FAE1D7CE227FB6488205B555B38483C65D 68C9E2B91A37D136FE74D1761F16D2E1442DF0F8; \
+    gpg --batch --export --armor 430BDF5C56E7C94E848EE60C1C4CBDCDCD2EFD2A > ${GNUPGHOME}/RPM-GPG-KEY-Percona; \
+    gpg --batch --export --armor 99DB70FAE1D7CE227FB6488205B555B38483C65D > ${GNUPGHOME}/RPM-GPG-KEY-centosofficial; \
+    gpg --batch --export --armor 68C9E2B91A37D136FE74D1761F16D2E1442DF0F8 > ${GNUPGHOME}/RPM-GPG-KEY-PGDG; \
+    rpmkeys --import ${GNUPGHOME}/RPM-GPG-KEY-Percona ${GNUPGHOME}/RPM-GPG-KEY-centosofficial ${GNUPGHOME}/RPM-GPG-KEY-PGDG; \
+    rm -rf /tmp/percona-release.rpm; \
+    dnf -y remove percona-release-1.0-27.noarch; \
+    curl -Lf -o /tmp/percona-release.rpm https://repo.percona.com/yum/percona-release-latest.noarch.rpm; \
+    rpmkeys --checksig /tmp/percona-release.rpm; \
+    rpm -i /tmp/percona-release.rpm; \
+    rm -rf "$GNUPGHOME" /tmp/percona-release.rpm; \
+    rpm --import /etc/pki/rpm-gpg/PERCONA-PACKAGING-KEY; \
+    percona-release enable ppg-15.2 testing; 
+
+# Install epel, pgdg and enable codeready_builder repositories for the dependencies
+RUN set -ex; \
+    dnf install -y wget epel-release; \
+    curl -Lf -o /tmp/pgdg-redhat-repo-latest.noarch.rpm https://download.postgresql.org/pub/repos/yum/reporpms/EL-8-x86_64/pgdg-redhat-repo-latest.noarch.rpm; \
+    rpmkeys --checksig /tmp/pgdg-redhat-repo-latest.noarch.rpm; \
+    rpm -i /tmp/pgdg-redhat-repo-latest.noarch.rpm; \
+    dnf -y install pgdg-srpm-macros; 
+RUN dnf config-manager --set-enabled ol9_codeready_builder
+RUN set -ex; \
+    dnf install -y \
+        percona-postgis33-$POSTGIS_VERSION.$OS_VER;
+
+RUN mkdir -p /docker-entrypoint-initdb.d
+COPY ./initdb-postgis.sh /docker-entrypoint-initdb.d/10_postgis.sh
+COPY ./update-postgis.sh /usr/local/bin

percona-postgis/initdb-postgis.sh

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+#!/bin/bash
+
+set -e
+
+# Perform all actions as $POSTGRES_USER
+export PGUSER="$POSTGRES_USER"
+
+# Create the 'template_postgis' template db
+"${psql[@]}" <<- 'EOSQL'
+CREATE DATABASE template_postgis IS_TEMPLATE true;
+EOSQL
+
+# Load PostGIS into both template_database and $POSTGRES_DB
+for DB in template_postgis "$POSTGRES_DB"; do
+	echo "Loading PostGIS extensions into $DB"
+	"${psql[@]}" --dbname="$DB" <<-'EOSQL'
+		CREATE EXTENSION IF NOT EXISTS postgis;
+		CREATE EXTENSION IF NOT EXISTS postgis_topology;
+		-- Reconnect to update pg_setting.resetval
+		-- See https://github.com/postgis/docker-postgis/issues/288
+		\c
+		CREATE EXTENSION IF NOT EXISTS fuzzystrmatch;
+		CREATE EXTENSION IF NOT EXISTS postgis_tiger_geocoder;
+EOSQL
+done

percona-postgis/update-postgis.sh

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+#!/bin/sh
+
+set -e
+
+# Perform all actions as $POSTGRES_USER
+export PGUSER="$POSTGRES_USER"
+
+POSTGIS_VERSION="${POSTGIS_VERSION%%+*}"
+
+# Load PostGIS into both template_database and $POSTGRES_DB
+for DB in template_postgis "$POSTGRES_DB" "${@}"; do
+    echo "Updating PostGIS extensions '$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';
+
+        -- Upgrade Topology
+        CREATE EXTENSION IF NOT EXISTS postgis_topology VERSION '$POSTGIS_VERSION';
+        ALTER EXTENSION postgis_topology UPDATE TO '$POSTGIS_VERSION';
+
+        -- Install Tiger dependencies in case not already installed
+        CREATE EXTENSION IF NOT EXISTS fuzzystrmatch;
+        -- Upgrade US Tiger Geocoder
+        CREATE EXTENSION IF NOT EXISTS postgis_tiger_geocoder VERSION '$POSTGIS_VERSION';
+        ALTER EXTENSION postgis_tiger_geocoder UPDATE TO '$POSTGIS_VERSION';
+    "
+done