GCP Cloud SQL Proxy systemd config

cloud_sql_proxy.service

# Place this file in /etc/systemd/system
# Also, place a credential file in a safe place that has been granted 
# the appropriate permissions in GCP for connection (granting Cloud SQL 
# Client should be sufficient).

[Install]
WantedBy=multi-user.target

[Unit]
Description=Google Cloud Compute Engine SQL Proxy
Requires=network.target
After=network.target

[Service]
Type=simple
# This directory will get created to hold runtime data for the service
RuntimeDirectory=cloud_sql_proxy
# WorkingDirectory should be the folder that contains the cloud_sql_proxy executable
WorkingDirectory=/usr/local/bin
# ExecStart needs to have a couple things - path to the executable, a directory to hold the run files,
# a comma-separated list of instances to connect to, and a credential file that only needs the Cloud SQL Client permissions
ExecStart=/usr/local/bin/cloud_sql_proxy -dir=/var/run/cloud-sql-proxy -instances=bru-trm-1764-prod:us-east4:bru-trm-1764-sql-master=tcp:5432 -credential_file=/var/local/cloud-sql-proxy/cloudsql-management-35cc-71105adea7d8.json
Restart=always
RestartSec=1
StartLimitBurst=5
StartLimitIntervalSec=10
StandardOutput=journal