fix docker build

.github/workflows/dockerhub.yml

@@ -1,8 +1,4 @@
-on:
-  push:
-    branches-ignore:
-      #- 'main'        # ** matches every branch
-      - 'feature/*'  
+on: [push, pull_request]
 jobs:
   push_to_dockerhub:
     name: build image and push to dockerhub
@@ -11,25 +7,26 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
+    - name: Bootstrap - neeed by LibeuFin to inititalize the sub-repositories
+      run: ./bootstrap
+
     - name: Log in to Docker Hub
-      uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
+      uses: docker/login-action@v1
       with:
         username: ${{ secrets.DOCKER_USERNAME }}
         password: ${{ secrets.DOCKER_PASSWORD }}
 
     - name: Extract metadata (tags, labels) for Docker
       id: meta
-      uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+      uses: docker/metadata-action@v3
       with:
         images: e36io/LibEuFin
 
 
     - name: Build and push Docker image
-      uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
+      uses: docker/build-push-action@v2
       with: 
         context: .
         push: true
         tags: ${{ steps.meta.outputs.tags }}
         labels: ${{ steps.meta.outputs.labels }}
-
-

.gitignore

@@ -22,4 +22,5 @@ util/src/main/resources/version.txt
 .gitconfig
 */spx/*
 spx
-.vscode
+.vscode
+*/bin/

Dockerfile

@@ -1,4 +1,11 @@
 FROM zenika/kotlin:1.4.20-M2-jdk11-slim as build
+
+#
+#  IMPORTANT - you need to call ./bootstrap in order to inititalize the sub-repo of Libeufin
+#  Ohterwise the build will fail with
+#  failed to solve: failed to compute cache key: failed to calculate checksum  ..."/build-system/taler-build-scripts/configure": not found
+#
+
 RUN apt update
 # needed for nexus/sandbox
 RUN apt install -y python3 python3-pip git