container-images-cd.yml

#
# Build and push PostHog and PostHog Cloud container images
#
# - posthog_build: build and push the PostHog container image to DockerHub
#
# - posthog_cloud_build: build the PostHog Cloud container image using
#   as base image the container image from the previous step. The image is
#   then pushed to AWS ECR.
#
name: Container Images CD

on:
    push:
        branches:
            - master
    workflow_dispatch:

concurrency: ${{ github.workflow }} # ensure only one of this runs at a time

jobs:
    posthog_build:
        name: Build and push PostHog
        if: github.repository == 'PostHog/posthog'
        runs-on: ubuntu-latest
        permissions:
            id-token: write # allow issuing OIDC tokens for this workflow run
            contents: read # allow at least reading the repo contents, add other permissions if necessary
            packages: write # allow push to ghcr.io

        steps:
            - name: Check out
              uses: actions/checkout@v3
              with:
                  fetch-depth: 2

            - name: Update git SHA
              run: echo "GIT_SHA = '${GITHUB_SHA}'" > posthog/gitsha.py

            - name: Set up Docker Buildx
              uses: docker/setup-buildx-action@v2

            - name: Set up QEMU
              uses: docker/setup-qemu-action@v2

            - name: Set up Depot CLI
              uses: depot/setup-action@v1

            - name: Login to DockerHub
              uses: docker/login-action@v2
              with:
                  username: ${{ secrets.DOCKERHUB_USERNAME }}
                  password: ${{ secrets.DOCKERHUB_TOKEN }}

            - name: Configure AWS credentials
              uses: aws-actions/configure-aws-credentials@v1
              with:
                  aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
                  aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
                  aws-region: us-east-1

            - name: Login to Amazon ECR
              id: aws-ecr
              uses: aws-actions/amazon-ecr-login@v1

            - name: Build and push container image
              id: build
              uses: depot/build-push-action@v1
              with:
                  buildx-fallback: false # the fallback is so slow it's better to just fail
                  push: true
                  tags: posthog/posthog:latest,${{ steps.aws-ecr.outputs.registry }}/posthog-cloud:master
                  platforms: linux/arm64,linux/amd64

            - name: get deployer token
              id: deployer
              uses: getsentry/action-github-app-token@v2
              with:
                  app_id: ${{ secrets.DEPLOYER_APP_ID }}
                  private_key: ${{ secrets.DEPLOYER_APP_PRIVATE_KEY }}

            - name: Trigger PostHog Cloud deployment
              # TODO: switch to https://github.com/marketplace/actions/repository-dispatch
              # as this action is now deprecated.
              uses: mvasigh/dispatch-action@main
              with:
                  token: ${{ steps.deployer.outputs.token }}
                  repo: posthog-cloud-infra
                  owner: PostHog
                  event_type: posthog_cloud_build
                  message: |
                      {
                        "image_tag": "${{ steps.build.outputs.digest }}",
                        "context": ${{ toJson(github) }}
                      }

            - name: Check for changes in plugins directory
              id: check_changes_plugins
              run: |
                  echo "::set-output name=changed::$(git diff --name-only HEAD^ HEAD | grep '^plugin-server/' || true)"

            - name: Trigger Ingestion Cloud deployment
              if: steps.check_changes_plugins.outputs.changed != ''
              uses: mvasigh/dispatch-action@main
              with:
                  token: ${{ steps.deployer.outputs.token }}
                  repo: charts
                  owner: PostHog
                  event_type: ingestion_deploy
                  message: |
                      {
                        "image_tag": "${{ steps.build.outputs.digest }}"
                      }