Enabling SSL for PostgreSQL in Docker

postgres.sh

#!/bin/bash

set -euo pipefail

openssl req -new -text -passout pass:abcd -subj /CN=localhost -out server.req
openssl rsa -in privkey.pem -passin pass:abcd -out server.key
openssl req -x509 -in server.req -text -key server.key -out server.crt
chmod 600 server.key
chown 70 server.key
docker run -d --name postgres -v $PWD/server.crt:/var/lib/postgresql/server.crt:ro -v $PWD/server.key:/var/lib/postgresql/server.key:ro postgres:11-alpine -c ssl=on -c ssl_cert_file=/var/lib/postgresql/server.crt -c ssl_key_file=/var/lib/postgresql/server.key

sleep 1

docker run --rm -it --link postgres postgres:11-alpine psql -h postgres -U postgres