CD: deploy to kubernetes (#79)

* Adds kubernetes manfiests, and deploy push

* Add production overlay

* Add a volume for crates.io-index

.github/workflows/deployment.yml

@@ -21,6 +21,7 @@ jobs:
           username: ${{ github.repository_owner }}
           password: ${{ secrets.CR_PAT }}
       - name: Build and push
+        id: docker_push
         uses: docker/build-push-action@v2
         with:
           context: .
@@ -28,3 +29,21 @@ jobs:
           push: true
           tags: |
             ghcr.io/${{ github.repository }}:latest
+    outputs:
+      digest: ${{ steps.docker_push.outputs.digest }}
+
+  deploy:
+    needs: build-docker-image
+    runs-on: ubuntu-latest
+    steps:
+      - name: Patch and Sync
+        env:
+          DIGEST: ${{ needs.build-docker-image.outputs.digest }}
+          ARGOCD_SERVER: ${{ secrets.ARGOCD_SERVER }}
+          ARGOCD_AUTH_TOKEN: ${{ secrets.ARGOCD_AUTH_TOKEN }}
+        run: |
+          curl -sSL -o argocd https://${ARGOCD_SERVER}/download/argocd-linux-amd64
+          chmod +x argocd
+          ./argocd app patch deps-rs-staging --patch "{ \"spec\": { \"source\": { \"kustomize\": { \"images\": [\"ghcr.io/deps-rs/deps.rs@${DIGEST}\"] } } } }" --type merge --grpc-web
+          ./argocd app sync deps-rs-staging --grpc-web
+          ./argocd app wait deps-rs-staging --grpc-web

deploy/base/deployment.yaml

@@ -0,0 +1,32 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: deps-rs
+spec:
+  selector:
+    matchLabels:
+      app: deps-rs
+  template:
+    metadata:
+      labels:
+        app: deps-rs
+    spec:
+      volumes:
+        - name: cargo
+          emptyDir: {}
+      containers:
+        - name: deps-rs
+          image: ghcr.io/deps-rs/deps.rs:latest
+          imagePullPolicy: Always
+          ports:
+            - containerPort: 8080
+          env:
+            - name: BASE_URL
+              value: https://$(DOMAIN)
+          volumeMounts:
+            - mountPath: /home/deps/.cargo
+              name: cargo
+          readinessProbe:
+            httpGet:
+              path: /
+              port: 8080

deploy/base/ingress.yaml

@@ -0,0 +1,20 @@
+---
+apiVersion: extensions/v1beta1
+kind: Ingress
+metadata:
+  name: deps-rs
+  annotations:
+    cert-manager.io/cluster-issuer: letsencrypt
+spec:
+  rules:
+    - host: staging.deps.rs
+      http:
+        paths:
+          - backend:
+              serviceName: deps-rs
+              servicePort: http
+            path: /
+  tls:
+    - secretName: deps-rs-tls
+      hosts:
+        - $(DOMAIN)

deploy/base/kustomization.yaml

@@ -0,0 +1,16 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - deployment.yaml
+  - service.yaml
+  - ingress.yaml
+
+vars:
+  - name: DOMAIN
+    objref:
+      apiVersion: extensions/v1beta1
+      kind: Ingress
+      name: deps-rs
+    fieldref:
+      fieldpath: spec.rules[0].host

deploy/base/service.yaml

@@ -0,0 +1,12 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: deps-rs
+spec:
+  ports:
+    - port: 80
+      targetPort: 8080
+      protocol: TCP
+      name: http
+  selector:
+    app: deps-rs

deploy/overlays/production/kustomization.yaml

@@ -0,0 +1,18 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+nameSuffix: -prd
+
+commonLabels:
+  env: prd
+
+resources:
+  - ../../base
+
+patches:
+  - path: patch-ingress.json
+    target:
+      group: extensions
+      version: v1beta1
+      kind: Ingress
+      name: deps-rs

deploy/overlays/production/patch-ingress.json

@@ -0,0 +1,12 @@
+[
+  {
+    "op": "replace",
+    "path": "/spec/rules/0/host",
+    "value": "deps.rs"
+  },
+  {
+    "op": "replace",
+    "path": "/spec/tls/0/secretName",
+    "value": "deps-rs-tls"
+  }
+]

deploy/overlays/staging/kustomization.yaml

@@ -0,0 +1,18 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+nameSuffix: -stg
+
+commonLabels:
+  env: stg
+
+resources:
+  - ../../base
+
+patches:
+  - path: patch-ingress.json
+    target:
+      group: extensions
+      version: v1beta1
+      kind: Ingress
+      name: deps-rs

deploy/overlays/staging/patch-ingress.json

@@ -0,0 +1,12 @@
+[
+  {
+    "op": "replace",
+    "path": "/spec/rules/0/host",
+    "value": "staging.deps.rs"
+  },
+  {
+    "op": "replace",
+    "path": "/spec/tls/0/secretName",
+    "value": "staging-deps-rs-tls"
+  }
+]