chore(ci): use reusable workflows (#153)

Signed-off-by: Olivier Léobal <olivier.leobal@owkin.com>

Author: oleobal

.github/workflows/docker-build.yml

@@ -0,0 +1,22 @@
+name: Docker build
+on:
+  workflow_dispatch:
+  push:
+    branches: [main]
+  release:
+    types: [published, edited]
+  pull_request:
+    branches: [main]
+
+concurrency: 
+  group: "${{ github.workflow_ref }} - ${{ github.ref }} - ${{ github.event_name }}"
+  cancel-in-progress: true
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        images: [fabric-peer, fabric-tools]
+    uses: substra/substra-gha-workflows/.github/workflows/docker-build.yaml@main
+    with:
+      image: ${{ matrix.images }}

.github/workflows/docker.yml

@@ -1,8 +1,10 @@
 FROM hyperledger/fabric-tools:2.4
 
+# avoid the shell swallowing errors
+SHELL ["/bin/ash", "-eo", "pipefail", "-c"]
+
 # Install curl and netcat
-RUN apk update && \
-  apk add curl netcat-openbsd vim libc6-compat && \
+RUN apk --no-cache add curl netcat-openbsd vim libc6-compat && \
   apk upgrade libcurl
 
 # Install fabric-ca-client