feat: init

init.sql

@@ -0,0 +1,33 @@
+-- Drop and recreate the database
+DROP DATABASE IF EXISTS keepalive;
+CREATE DATABASE keepalive;
+
+-- Create user if not exists
+DO
+$do$
+BEGIN
+   IF NOT EXISTS (
+       SELECT FROM pg_catalog.pg_roles WHERE rolname = 'keepalive'
+   ) THEN
+CREATE ROLE keepalive LOGIN PASSWORD 'keepalive';
+END IF;
+END
+$do$;
+
+-- Grant full permissions on this database
+GRANT ALL PRIVILEGES ON DATABASE keepalive TO keepalive;
+
+-- Connect to the database
+\c keepalive;
+
+-- Create the table for key/value counters
+CREATE TABLE IF NOT EXISTS keepalive (
+                                         key VARCHAR(255) PRIMARY KEY,
+    value BIGINT NOT NULL
+    );
+
+-- Initialize key/value
+INSERT INTO keepalive (key, value)
+VALUES ('counter', 0)
+    ON CONFLICT (key) DO UPDATE
+                             SET value = EXCLUDED.value;