feat(upload): avatar and calendar cover via local disk storage.

POST /v1/user/me/avatar and /v1/calendars/:id/cover; GET /v1/media;
UPLOAD_DIR on eventhub-data volume; MIME/size limits.
Refs EventHub/EventHubBack#71
Refs EventHub/EventHubSpec#8

docker/.env.example

@@ -30,4 +30,7 @@ SMTP_TLS=if_available
 PUBLIC_APP_URL=https://stage.calentiq.com
 # Окно напоминаний о booking (часы до старта; Back#70)
 REMINDER_LEAD_HOURS=24
+# Uploads (avatar/cover) — каталог на volume /app/data (Back#71)
+UPLOAD_DIR=/app/data/uploads
+UPLOAD_MAX_BYTES=2097152
 

docker/docker-compose.stage.yml

@@ -49,6 +49,8 @@ services:
       - SMTP_TLS=${SMTP_TLS:-if_available}
       - PUBLIC_APP_URL=${PUBLIC_APP_URL:-https://stage.calentiq.com}
       - REMINDER_LEAD_HOURS=${REMINDER_LEAD_HOURS:-24}
+      - UPLOAD_DIR=${UPLOAD_DIR:-/app/data/uploads}
+      - UPLOAD_MAX_BYTES=${UPLOAD_MAX_BYTES:-2097152}
     networks:
       eventhub-net:
         aliases:

docker/erlang/Dockerfile.runtime

@@ -7,7 +7,7 @@ FROM alpine:${ALPINE_VERSION}
 RUN apk add --no-cache \
     openssl libstdc++ libgcc ncurses-libs libsodium \
     file \
-    && mkdir -p /app/data \
-    && chmod 777 /app/data
+    && mkdir -p /app/data /app/data/uploads \
+    && chmod 777 /app/data /app/data/uploads
 
 WORKDIR /app