Generalize deploy scripts to work w/ both production and staging

Co-Authored-By: Nathan Sobo <nathan@zed.dev>

server/k8s/environments/production.sh

@@ -0,0 +1 @@
+ZED_LOAD_BALANCER_CERT_ID=6f857971-20fb-4c68-a7d6-35fef9e5ec4c

server/k8s/environments/staging.sh

@@ -0,0 +1 @@
+ZED_LOAD_BALANCER_CERT_ID=b0d48941-4895-4d75-a966-fe5a571b1fff

server/k8s/manifest.template.yml

@@ -1,11 +1,17 @@
 ---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: ${ZED_KUBE_NAMESPACE}
+---
 kind: Service
 apiVersion: v1
 metadata:
+  namespace: ${ZED_KUBE_NAMESPACE}
   name: zed
   annotations:
     service.beta.kubernetes.io/do-loadbalancer-tls-ports: "443"
-    service.beta.kubernetes.io/do-loadbalancer-certificate-id: "606e2db9-2b58-4ae7-b12c-a0c7d56af49b"
+    service.beta.kubernetes.io/do-loadbalancer-certificate-id: "${ZED_LOAD_BALANCER_CERT_ID}"
 spec:
   type: LoadBalancer
   selector:
@@ -19,6 +25,7 @@ spec:
 apiVersion: apps/v1
 kind: Deployment
 metadata:
+  namespace: ${ZED_KUBE_NAMESPACE}
   name: zed
 spec:
   replicas: 1
@@ -32,7 +39,7 @@ spec:
     spec:
       containers:
         - name: zed
-          image: registry.digitalocean.com/zed/zed-server
+          image: "${ZED_IMAGE_ID}"
           ports:
             - containerPort: 8080
               protocol: TCP

server/k8s/migrate.template.yml

@@ -0,0 +1,18 @@
+apiVersion: batch/v1
+kind: Job
+metadata:
+  namespace: ${ZED_KUBE_NAMESPACE}
+  name: ${ZED_MIGRATE_JOB_NAME}
+spec:
+  template:
+    spec:
+      restartPolicy: Never
+      containers:
+        - name: migrator
+          image: ${ZED_IMAGE_ID}
+          env:
+            - name: DATABASE_URL
+              valueFrom:
+                secretKeyRef:
+                  name: database
+                  key: url

server/migrate.yml

@@ -1,17 +0,0 @@
-apiVersion: batch/v1
-kind: Job
-metadata:
-  name: migrate
-spec:
-  template:
-    spec:
-      restartPolicy: Never
-      containers:
-      - name: migrator
-        image: registry.digitalocean.com/zed/zed-migrator
-        env:
-          - name: DATABASE_URL
-            valueFrom:
-              secretKeyRef:
-                name: database
-                key: url