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/job-migrations.yaml

@@ -22,7 +22,7 @@ spec:
           containers:
             - name: migrations
               image: hotpocket-backend:latest
-              command:
+              args:
                 - "./manage.py"
                 - "migrate"
               envFrom:
@@ -31,36 +31,21 @@ 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
@@ -68,6 +53,12 @@ spec:
                   name: backend-webapp-srv-run
                 - mountPath: /srv/uploads
                   name: backend-webapp-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: Never
           volumes:
@@ -78,3 +69,7 @@ spec:
               emptyDir: {}
             - name: backend-webapp-srv-uploads
               emptyDir: {}
+            - name: backend-admin-local-deps
+              configMap:
+                name: "backend-local-deps"
+                defaultMode: 0755