feat(geo): Photon proxy, address-only location, nearby search. Refs EventHub/EventHubBack#77

docker/.env.example

@@ -43,4 +43,8 @@ REMINDER_LEAD_HOURS=24
 # Uploads (avatar/cover) — каталог на volume /app/data (Back#71)
 UPLOAD_DIR=/app/data/uploads
 UPLOAD_MAX_BYTES=2097152
+# Photon (DevOps#16). Пусто = /v1/geo → 503. Включить: PHOTON_REPLICAS=1 и PHOTON_URL=http://photon:2322
+PHOTON_URL=
+PHOTON_TIMEOUT_MS=3000
+PHOTON_REPLICAS=0
 

docker/docker-compose.swarm.yml

@@ -70,6 +70,8 @@ services:
       - ADMIN_SUPPORT_PASSWORD=${ADMIN_SUPPORT_PASSWORD}
       - CLUSTER_MODE=true
       - DNS_NAME=eventhub-node
+      - PHOTON_URL=${PHOTON_URL:-}
+      - PHOTON_TIMEOUT_MS=${PHOTON_TIMEOUT_MS:-3000}
     networks:
       eventhub-net:
         aliases:
@@ -233,6 +235,29 @@ services:
         max_attempts: 3
         window: 120s
 
+  # OSM geocoder (komoot Photon). Internal only — do not publish :2322.
+  # Default replicas 0. Enable: PHOTON_REPLICAS=1 PHOTON_URL=http://photon:2322
+  photon:
+    image: ${PHOTON_IMAGE:-rtuszik/photon-docker:latest}
+    environment:
+      - REGION=${PHOTON_REGION:-russia}
+      - UPDATE_STRATEGY=${PHOTON_UPDATE_STRATEGY:-PARALLEL}
+    volumes:
+      - photon-data:/photon/data
+    networks:
+      eventhub-net:
+        aliases:
+          - photon
+    deploy:
+      replicas: ${PHOTON_REPLICAS:-0}
+      resources:
+        limits:
+          memory: ${PHOTON_MEMORY_LIMIT:-1536M}
+        reservations:
+          memory: 128M
+      restart_policy:
+        condition: any
+
 networks:
   eventhub-net:
     driver: overlay
@@ -243,4 +268,5 @@ volumes:
   prometheus-data:
   grafana-data:
   traefik-logs:
-  loglynx-data:
+  loglynx-data:
+  photon-data: