Self-host Semaphore UI

copy# Semaphore UI — official image with the documented SQLite option (v2.16+)
mkdir -p ~/semaphore && cd ~/semaphore
cat > .env <<EOF
SEMAPHORE_ADMIN_PASSWORD=$(openssl rand -hex 16)
SEMAPHORE_ACCESS_KEY_ENCRYPTION=$(head -c32 /dev/urandom | base64)
EOF
cat > docker-compose.yml <<'EOF'
services:
  semaphore:
    image: semaphoreui/semaphore:latest
    restart: unless-stopped
    ports: ["3000:3000"]
    volumes: ["semaphore-config:/etc/semaphore", "semaphore-data:/var/lib/semaphore"]
    environment:
      SEMAPHORE_DB_DIALECT: sqlite
      SEMAPHORE_DB: /etc/semaphore/semaphore.sqlite
      SEMAPHORE_PLAYBOOK_PATH: /tmp/semaphore/
      SEMAPHORE_ADMIN: admin
      SEMAPHORE_ADMIN_NAME: admin
      SEMAPHORE_ADMIN_EMAIL: admin@localhost
      SEMAPHORE_ADMIN_PASSWORD: ${SEMAPHORE_ADMIN_PASSWORD}
      SEMAPHORE_ACCESS_KEY_ENCRYPTION: ${SEMAPHORE_ACCESS_KEY_ENCRYPTION}
      TZ: UTC
volumes:
  semaphore-config:
  semaphore-data:
EOF
docker compose up -d
# open http://SERVER_IP:3000 — user admin, password: grep ADMIN_PASSWORD ~/semaphore/.env