Develop: Add Prometheus test server configuration #213 #3730 #3943

Signed-off-by: Michael Mayer <michael@photoprism.app>

docker-compose.yml

@@ -148,7 +148,7 @@ services:
       MARIADB_PASSWORD: "photoprism"
       MARIADB_ROOT_PASSWORD: "photoprism"
 
-  ## HTTPS Reverse Proxy (recommended) ##
+  ## HTTPS Reverse Test Proxy
   ## includes "*.localssl.dev" SSL certificate for test environments
   ## Docs: https://doc.traefik.io/traefik/
   traefik:
@@ -161,13 +161,13 @@ services:
     volumes:
       - "/var/run/docker.sock:/var/run/docker.sock" # enables Traefik to watch services
 
-  ## Keycloak OpenID Connect Provider
+  ## Keycloak Test Identity Provider
   ## Login: user / photoprism
   ## Admin: admin / photoprism
   keycloak:
-    image: quay.io/keycloak/keycloak:22.0
-    command: "start-dev" # development mode, do not use this in production!
+    image: quay.io/keycloak/keycloak:23.0
     container_name: keycloak
+    command: "start-dev" # development mode, do not use this in production!
     links:
       - "traefik:localssl.dev"
       - "traefik:app.localssl.dev"
@@ -191,6 +191,22 @@ services:
       KC_DB_USERNAME: "keycloak"
       KC_DB_PASSWORD: "keycloak"
 
+  ## Prometheus Test Server
+  ## Docs: https://prometheus.io/docs/prometheus/latest/configuration/configuration/#oauth2
+  prometheus:
+    image: prom/prometheus:latest
+    container_name: prometheus
+    labels:
+      - "traefik.enable=true"
+      - "traefik.http.services.prometheus.loadbalancer.server.port=9090"
+      - "traefik.http.routers.prometheus.entrypoints=websecure"
+      - "traefik.http.routers.prometheus.rule=Host(`prometheus.localssl.dev`)"
+      - "traefik.http.routers.prometheus.tls.domains[0].main=localssl.dev"
+      - "traefik.http.routers.prometheus.tls.domains[0].sans=*.localssl.dev"
+      - "traefik.http.routers.prometheus.tls=true"
+    volumes:
+      - "./prometheus.yml:/etc/prometheus/prometheus.yml"
+
   ## Dummy LDAP Directory Server
   ## Docs: https://glauth.github.io/docs/
   dummy-ldap:

prometheus.yml

@@ -0,0 +1,16 @@
+global:
+  scrape_interval: 15s
+  scrape_timeout: 10s
+scrape_configs:
+  - job_name: "photoprism"
+    metrics_path: "/api/v1/metrics"
+    oauth2:
+      client_id: "cs5cpu17n6gj2qo5"
+      client_secret: "xcCbOrw6I0vcoXzhnOmXhjpVSyFq0l0e"
+      token_url: "http://photoprism:2342/api/v1/oauth/token"
+      scopes:
+        - 'metrics'
+      endpoint_params:
+        grant_type: "client_credentials"
+    static_configs:
+      - targets: ["photoprism:2342"]