sudo apt update
sudo apt install -y \
openjdk-21-jdk-headless \
postgresql-16 postgresql-16-pgvector \
git curl ca-certificates \
s3fs \
openssl
Verify:
java -version # 21.x psql --version # 16.x
The postgresql-16-pgvector apt package provides the
vector extension. pg_trgm ships with PostgreSQL itself.