add init extension script

Author: gvkhna

Dockerfile

@@ -23,4 +23,6 @@ RUN apt-get update \
 	&& apt-get autoremove -y \
   && apt-get clean \
   && apt-mark unhold locales \
-	&& rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+	&& rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+
+COPY ./initdb-extensions.sh /docker-entrypoint-initdb.d/20_extensions.sh

README.md

@@ -1,3 +1,5 @@
+postgresql,postgis docker container with pgvector added
+
 # Deploy
 
 [![Docker](https://github.com/gvkhna/postgis-vector/actions/workflows/publish.yml/badge.svg?branch=main)](https://github.com/gvkhna/postgis-vector/actions/workflows/publish.yml)
@@ -6,20 +8,6 @@
 ghcr.io/gvkhna/postgis-vector:latest
 ```
 
-# After Deploy Initialize Extensions
-
-```sh
-$ su - postgres
-$ psql
-postgres=# CREATE EXTENSION vector;
-postgres=# CREATE EXTENSION fuzzystrmatch;
-postgres=# CREATE EXTENSION pg_trgm;
-postgres=# CREATE EXTENSION pg_uuidv7;
-
-# to verify extensions installed
-postgres=# \dx
-```
-
 ## Build
 
 ```sh
@@ -28,7 +16,33 @@ podman build -t postgis-vector .
 
 ## Minimal Run
 
-```
+```sh
 podman run -it --name postgis-vector -e POSTGRES_PASSWORD=mysecretpassword -d postgis-vector
 podman exec -it postgis-vector bash
+
+##
+# To verify extensions installed
+##
+$ su - postgres
+$ psql
+postgres=# \dx
+
+                                           List of installed extensions
+          Name          | Version |   Schema   |                            Description
+------------------------+---------+------------+-------------------------------------------------------------------
+ fuzzystrmatch          | 1.2     | public     | determine similarities and distance between strings
+ pg_trgm                | 1.6     | public     | text similarity measurement and index searching based on trigrams
+ pg_uuidv7              | 1.5     | public     | pg_uuidv7: create UUIDv7 values in postgres
+ plpgsql                | 1.0     | pg_catalog | PL/pgSQL procedural language
+ postgis                | 3.4.2   | public     | PostGIS geometry and geography spatial types and functions
+ postgis_tiger_geocoder | 3.4.2   | tiger      | PostGIS tiger geocoder and reverse geocoder
+ postgis_topology       | 3.4.2   | topology   | PostGIS topology spatial types and functions
+ vector                 | 0.6.2   | public     | vector data type and ivfflat and hnsw access methods
+(8 rows)
+
+##
+# To list all available extensions
+##
+postgres=# select * from pg_available_extensions;
+
 ```

initdb-extensions.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+set -e
+
+# Load additional extensions into database
+psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
+  CREATE EXTENSION IF NOT EXISTS pg_trgm;
+  ALTER EXTENSION pg_trgm UPDATE;
+  CREATE EXTENSION IF NOT EXISTS pg_uuidv7;
+  ALTER EXTENSION pg_uuidv7 UPDATE;
+  CREATE EXTENSION IF NOT EXISTS vector;
+  ALTER EXTENSION vector UPDATE;
+EOSQL