BTHLABS-64: Support for customized environments

Co-authored-by: Tomek Wójcik <labs@tomekwojcik.pl>
Co-committed-by: Tomek Wójcik <labs@tomekwojcik.pl>

deployment/hotpocket.bthlab/resources/backend/celery-beat.yaml

@@ -20,7 +20,7 @@ spec:
       containers:
         - name: app
           image: hotpocket-backend:latest
-          command:
+          args:
             - "/srv/venv/bin/celery"
             - "-A"
             - "hotpocket_backend.celery:app"
@@ -35,36 +35,21 @@ spec:
             - configMapRef:
                 name: backend-webapp-config
           env:
-            - name: HOTPOCKET_BACKEND_SECRET_KEY
+            - name: VAULT_URL
               valueFrom:
                 secretKeyRef:
-                  name: backend-webapp
-                  key: secret_key
-            - name: HOTPOCKET_BACKEND_ALLOWED_HOSTS
+                  name: backend-vault
+                  key: url
+            - name: VAULT_ROLE_ID
               valueFrom:
                 secretKeyRef:
-                  name: backend-webapp
-                  key: allowed_hosts
-            - name: HOTPOCKET_BACKEND_DATABASE_USER
+                  name: backend-vault
+                  key: role_id
+            - name: VAULT_SECRET_ID
               valueFrom:
                 secretKeyRef:
-                  name: backend-postgres
-                  key: username
-            - name: HOTPOCKET_BACKEND_DATABASE_PASSWORD
-              valueFrom:
-                secretKeyRef:
-                  name: backend-postgres
-                  key: password
-            - name: HOTPOCKET_BACKEND_CELERY_BROKER_URL
-              valueFrom:
-                secretKeyRef:
-                  name: backend-celery
-                  key: broker_url
-            - name: HOTPOCKET_BACKEND_CELERY_RESULT_BACKEND
-              valueFrom:
-                secretKeyRef:
-                  name: backend-celery
-                  key: result_backend
+                  name: backend-vault
+                  key: secret_id
           volumeMounts:
             - mountPath: /dev/shm
               name: shm
@@ -72,6 +57,12 @@ spec:
               name: backend-celery-beat-srv-run
             - mountPath: /srv/uploads
               name: backend-celery-beat-srv-uploads
+            - name: backend-admin-local-deps
+              mountPath: "/srv/lib/requirements.txt"
+              subPath: "requirements.txt"
+            - name: backend-admin-local-deps
+              mountPath: "/srv/etc/entrypoint.d/01-install-extra-deps.sh"
+              subPath: "01-install-extra-deps.sh"
       dnsPolicy: ClusterFirst
       restartPolicy: Always
       volumes:
@@ -83,3 +74,7 @@ spec:
             claimName: backend-celery-beat-run
         - name: backend-celery-beat-srv-uploads
           emptyDir: {}
+        - name: backend-admin-local-deps
+          configMap:
+            name: "backend-local-deps"
+            defaultMode: 0755