grafana loki docker-compose file and vector settings

docker-compose.yaml

version: "3"

networks:
  loki:

services:
  loki:
    image: grafana/loki:2.4.0
    volumes:
      - ./loki:/etc/loki
    ports:
      - "3100:3100"
    command: -config.file=/etc/loki/local-config.yaml
    networks:
      - loki

  grafana:
    image: grafana/grafana:latest
    user: "1000"
    volumes:
      - ./grafana:/var/lib/grafana
    ports:
      - "3000:3000"
    networks:
      - loki

vector.toml

[sources.source_syslog]
type = "syslog"
address = "0.0.0.0:1514"
max_length = 102_400
mode = "udp"
path = "/tmp/syslog_udp"

[sinks.sink_loki]
type = "loki"
inputs = [ "source_syslog" ]
endpoint = "http://localhost:3100"
labels.datasource = "source_syslog"
out_of_order_action = "rewrite_timestamp"
encoding.codec = "json"