use the loki-build-image for calling circle, this is the same as what the...

use the loki-build-image for calling circle, this is the same as what the circle job we are replacing did

.drone/drone.jsonnet

@@ -125,12 +125,11 @@ local drone = [
     steps: [
       {
         name: "trigger",
-        image: 'alpine',
+        image: 'grafana/loki-build-image:%s' % build_image_version,
         environment: {
           CIRLCE_TOKEN: {from_secret: "circle_token"}
         },
         commands: [
-          "apk add --no-cache curl make bash git",
           'curl -s --header "Content-Type: application/json" --data "{\"build_parameters\": {\"CIRCLE_JOB\": \"deploy\", \"IMAGE_NAMES\": \"$(make print-images)\"}}" --request POST https://circleci.com/api/v1.1/project/github/raintank/deployment_tools/tree/master?circle-token=$CIRCLE_TOKEN'
         ]
       }

.drone/drone.yml

@@ -429,14 +429,13 @@ kind: pipeline
 name: deploy
 steps:
 - commands:
-  - apk add --no-cache curl make bash git
   - 'curl -s --header "Content-Type: application/json" --data "{"build_parameters":
     {"CIRCLE_JOB": "deploy", "IMAGE_NAMES": "$(make print-images)"}}" --request POST
     https://circleci.com/api/v1.1/project/github/raintank/deployment_tools/tree/master?circle-token=$CIRCLE_TOKEN'
   environment:
     CIRLCE_TOKEN:
       from_secret: circle_token
-  image: alpine
+  image: grafana/loki-build-image:0.5.0
   name: trigger
 trigger:
   ref: