postgres wip

storage/databases/postgres/docker/README.md

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+# notes
+
+# docker image: https://hub.docker.com/_/postgres
+
+```
+cd storage\databases\postgres
+```
+
+```
+docker run -it --rm --name postgres-1 `
+  -e PGDATA=/var/lib/postgresql/data/pgdata `
+  -e POSTGRES_DB=postgresdb `
+  -e POSTGRES_USER=postgresadmin `
+  -e POSTGRES_PASSWORD=admin123 `
+  -p 5000:5432 `
+  -v ${PWD}/postgres-1/pgdata/:/var/lib/postgresql/data/pgdata `
+ postgres:14.4
+
+```
+
+```
+# enter the container 
+docker exec -it postgres-1 bash
+
+# login to postgres
+psql --username=postgresadmin postgresdb
+
+#create a table
+CREATE TABLE guestbook (visitor_email text, vistor_id serial, date timestamp, message text);
+
+#add record
+INSERT INTO guestbook (visitor_email, date, message) VALUES ( 'jim@gmail.com', current_date, 'This is a test.');
+
+#show table
+\dt
+
+# quit 
+\q
+
+```