Create CI workflow for ledger exporter release

.github/workflows/horizon.yml

@@ -149,30 +149,3 @@ jobs:
         name: Push to DockerHub
         run: docker push stellar/horizon-verify-range:latest
 
-  ledger-exporter:
-    name: Test and push the Ledger Exporter images
-    runs-on: ubuntu-latest
-    env:
-      STELLAR_CORE_VERSION: 21.0.0-1872.c6f474133.focal
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          # For pull requests, build and test the PR head not a merge of the PR with the destination.
-          ref:  ${{ github.event.pull_request.head.sha || github.ref }}
-      - name: Build Ledger Exporter docker
-        run: make -C exp/services/ledgerexporter docker-build
-
-      - name: Run Ledger Exporter test
-        run: make -C exp/services/ledgerexporter docker-test
-
-      # Push images
-      - if: github.ref == 'refs/heads/master'
-        name: Login to DockerHub
-        uses: docker/login-action@bb984efc561711aaa26e433c32c3521176eae55b
-        with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
-
-      - if: github.ref == 'refs/heads/master'
-        name: Push to DockerHub
-        run: make -C exp/services/ledgerexporter docker-push

.github/workflows/ledgerexporter-release.yml

@@ -0,0 +1,34 @@
+name: Ledger Exporter release
+
+on:
+  push:
+    tags: ['ledgerexporter-v*']
+
+jobs:
+
+  publish-docker:
+    name: Test and push the Ledger Exporter images
+    runs-on: ubuntu-latest
+    env:
+      STELLAR_CORE_VERSION: 21.1.0-1921.b3aeb14cc.focal
+      VERSION: ${GITHUB_REF_NAME#ledgerexporter-v}
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          # For pull requests, build and test the PR head not a merge of the PR with the destination.
+          ref: github.sha
+      - name: Build Ledger Exporter docker
+        run: make -C exp/services/ledgerexporter docker-build
+
+      - name: Run Ledger Exporter test
+        run: make -C exp/services/ledgerexporter docker-test
+
+      # Push images
+      - name: Login to DockerHub
+        uses: docker/login-action@bb984efc561711aaa26e433c32c3521176eae55b
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Push to DockerHub
+        run: make -C exp/services/ledgerexporter docker-push

.github/workflows/ledgerexporter.yml

@@ -0,0 +1,24 @@
+name: LedgerExporter
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+
+jobs:
+  ledger-exporter:
+    name: Build and test Ledger Exporter image
+    runs-on: ubuntu-latest
+    env:
+      STELLAR_CORE_VERSION: 21.1.0-1921.b3aeb14cc.focal
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          # For pull requests, build and test the PR head not a merge of the PR with the destination.
+          ref:  ${{ github.event.pull_request.head.sha || github.ref }}
+      - name: Build Ledger Exporter docker
+        run: make -C exp/services/ledgerexporter docker-build
+
+      - name: Run Ledger Exporter test
+        run: make -C exp/services/ledgerexporter docker-test
+

exp/services/ledgerexporter/Makefile

@@ -2,7 +2,7 @@ SUDO := $(shell docker version >/dev/null 2>&1 || echo "sudo")
 
 # https://github.com/opencontainers/image-spec/blob/master/annotations.md
 BUILD_DATE := $(shell date -u +%FT%TZ)
-VERSION ?= 1.0.0-$(shell git rev-parse --short HEAD)
+VERSION ?= $(shell git rev-parse --short HEAD)
 DOCKER_IMAGE := stellar/ledger-exporter
 
 docker-build: