Move GIT_SHA env to shared django standard env

Author: mcabrams

{{ cookiecutter.project_slug }}/kubernetes/{{ cookiecutter.kubernetes_project }}/templates/_helpers.tpl

@@ -74,6 +74,8 @@ env:
     value: {{ "{{" }} .Values.sentryDsn {{ "}}" }}
   - name: REDIS_URL
     value: redis://:{{ "{{" }} .Values.redis.password {{ "}}" }}@{{ cookiecutter.kubernetes_project }}-redis-master:6379/0
+  - name: GIT_SHA
+    value: {{ "{{" }} .Values.gitSha {{ "}}" }}
   - name: DATABASE_URL
     valueFrom:
       secretKeyRef:

{{ cookiecutter.project_slug }}/kubernetes/{{ cookiecutter.kubernetes_project }}/templates/server/deployment.yaml

@@ -66,9 +66,6 @@ spec:
             initialDelaySeconds: 10
             periodSeconds: 10
             failureThreshold: 12
-          env:
-            - name: GIT_SHA
-              value: {{ .Values.gitSha }}
           {{- include "doppelganger.djangoStandardEnv" . | nindent 10 }}
       volumes:
         - name: schema-disk