psql-client:/# psql \
        --host=postgresql-rw \
        --port=5432 \
        --username=app \
        --password \
        app
Password: 
psql (16.3, server 16.2 (Debian 16.2-1.pgdg110+2))
SSL connection (protocol: TLSv1.3, cipher: TLS_AES_256_GCM_SHA384, compression: off)
Type "help" for help.

app=> CREATE TABLE users (
app(>     id SERIAL PRIMARY KEY,
app(>     username VARCHAR(50),
app(>     age INTEGER
app(> );
CREATE TABLE
app=> INSERT INTO users (username, age) VALUES ('Alice', 25);
ob', 30);
INSERT INTO users (username, age) VALUESINSERT 0 1
app=> INSERT INTO users (username, age) VALUES ('Bob', 30);
 ('Charlie', 28);
INSERT INTO users (username, ageINSERT 0 1
app=> INSERT INTO users (username, age) VALUES ('Charlie', 28);
) VALUES ('David', 35);
INSERT INTO users (usernamINSERT 0 1
app=> INSERT INTO users (username, age) VALUES ('David', 35);
e, age) VALUES ('Eva', 22);
INSERT INTO users (username, age) VALUES ('Frank', 40);
INSERT INTO userINSERT 0 1
app=> INSERT INTO users (username, age) VALUES ('Eva', 22);
s (username, age) VALUES ('Grace', 33);
INSERT INTINSERT 0 1
app=> INSERT INTO users (username, age) VALUES ('Frank', 40);
O users (username, age) VALUES ('Hannah', 29);
INSINSERT 0 1
app=> INSERT INTO users (username, age) VALUES ('Grace', 33);
ERT INTO users (username, age) VALUES ('Iris', 27);
INSERT INTO users (username, age) VALUES ('Jack'INSERT 0 1
app=> INSERT INTO users (username, age) VALUES ('Hannah', 29);
, 32);
INSERT INTO users (username, age) VALUES ('INSERT 0 1
app=> INSERT INTO users (username, age) VALUES ('Iris', 27);
Kelly', 26);
INSERT INTO users (username, age) VALUES ('Liam', 31);
INSERT INTO users (username, ageINSERT 0 1
app=> INSERT INTO users (username, age) VALUES ('Jack', 32);
) VALUES ('Mia', 24);
INSERT INTO users (username,INSERT 0 1
app=> INSERT INTO users (username, age) VALUES ('Kelly', 26);
 age) VALUES ('Noah', 37);INSERT 0 1
app=> INSERT INTO users (username, age) VALUES ('Liam', 31);
INSERT 0 1
app=> INSERT INTO users (username, age) VALUES ('Mia', 24);
INSERT 0 1
app=> INSERT INTO users (username, age) VALUES ('Noah', 37);
INSERT 0 1
app=> 
app=> 
app=> select * from users;
 id | username | age 
----+----------+-----
  1 | Alice    |  25
  2 | Bob      |  30
  3 | Charlie  |  28
  4 | David    |  35
  5 | Eva      |  22
  6 | Frank    |  40
  7 | Grace    |  33
  8 | Hannah   |  29
  9 | Iris     |  27
 10 | Jack     |  32
 11 | Kelly    |  26
 12 | Liam     |  31
 13 | Mia      |  24
 14 | Noah     |  37
(14 rows)