Added tekton for Docker image build

Dockerfile

@@ -46,7 +46,7 @@ FROM golang:1.13 AS lightwalletd_base
 ADD . /go/src/github.com/zcash/lightwalletd
 WORKDIR /go/src/github.com/zcash/lightwalletd
 RUN make \
-  && /usr/bin/install -c ./server /usr/bin/
+  && /usr/bin/install -c ./lightwalletd /usr/local/bin/
 
 ARG LWD_USER=lightwalletd
 ARG LWD_UID=2002
@@ -59,5 +59,5 @@ RUN useradd --home-dir /srv/$LWD_USER \
 USER $LWD_USER
 WORKDIR /srv/$LWD_USER
 
-ENTRYPOINT ["server"]
+ENTRYPOINT ["lightwalletd"]
 CMD ["--help"]

tekton/resources.yml

@@ -0,0 +1,22 @@
+---
+apiVersion: tekton.dev/v1alpha1
+kind: PipelineResource
+metadata:
+  name: lightwalletd-image
+spec:
+  type: image
+  params:
+    - name: url
+      value: electriccoinco/lightwalletd
+---
+apiVersion: tekton.dev/v1alpha1
+kind: PipelineResource
+metadata:
+  name: lightwalletd-git
+spec:
+  type: git
+  params:
+    - name: revision
+      value: master
+    - name: url
+      value: https://github.com/zcash/lightwalletd.git

tekton/taskruns.yml

@@ -0,0 +1,27 @@
+---
+apiVersion: tekton.dev/v1alpha1
+kind: TaskRun
+metadata:
+  generateName: lightwalletd-dockerbuild-
+spec:
+  serviceAccountName: zcashsysadmin-service
+  taskRef:
+    name: build-docker-image-from-git-source
+  inputs:
+    resources:
+      - name: docker-source
+        resourceRef:
+          name: lightwalletd-git
+    params:
+      - name: pathToDockerFile
+        value: /workspace/docker-source/Dockerfile
+      - name: pathToContext
+        value: /workspace/docker-source/
+  outputs:
+    resources:
+      - name: builtImage
+        resourceRef:
+          name: lightwalletd-image
+      - name: notification
+        resourceRef:
+          name: event-to-cloudlog

tekton/triggerbinding.yml

@@ -0,0 +1,45 @@
+---
+apiVersion: tekton.dev/v1alpha1
+kind: TriggerBinding
+metadata:
+  name: lightwalletd-master-binding
+spec:
+  params:
+  - name: newSHA
+    value: $(body.after)
+---
+apiVersion: tekton.dev/v1alpha1
+kind: TriggerTemplate
+metadata:
+  name: lightwalletd-dockerbuild-template
+spec:
+  params:
+  - name: newSHA
+    description: The git repository HEAD sha   
+  resourcetemplates:
+  - apiVersion: tekton.dev/v1alpha1
+    kind: TaskRun
+    metadata:
+      generateName: lightwalletd-dockerbuild-
+    spec:
+      serviceAccountName: zcashsysadmin-service
+      taskRef:
+        name: build-docker-image-from-git-source
+      inputs:
+        resources:
+          - name: docker-source
+            resourceRef:
+              name: lightwalletd-git
+        params:
+          - name: pathToDockerFile
+            value: /workspace/docker-source/Dockerfile
+          - name: pathToContext
+            value: /workspace/docker-source/
+      outputs:
+        resources:
+          - name: builtImage
+            resourceRef:
+              name: lightwalletd-image
+          - name: notification
+            resourceRef:
+              name: event-to-cloudlog