add releases to travis

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

.travis.yml

@@ -8,12 +8,28 @@ install:
 
 env:
   global:
-    # Temporarily disabling other platforms to keep development faster.
-    # - PLATFORMS="linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64,linux/s390x,linux/ppc64le"
-    # - CROSS_PLATFORMS=${PLATFORMS},darwin/amd64,windows/amd64
-    - PLATFORMS="linux/amd64"
-    - CROSS_PLATFORMS="${PLATFORMS},darwin/amd64"
+    - PLATFORMS="linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64,linux/s390x,linux/ppc64le"
+    - CROSS_PLATFORMS="${PLATFORMS},darwin/amd64,windows/amd64"
     - PREFER_BUILDCTL="1"
 
 script:
   - make binaries validate-all && TARGETPLATFORM="${CROSS_PLATFORMS}" ./hack/cross
+
+
+deploy:
+  - provider: script
+    script: PLATFORMS="${CROSS_PLATFORMS}" ./hack/release $TRAVIS_TAG release-out
+    on:
+      repo: docker/buildx
+      tags: true
+      condition: $TRAVIS_TAG =~ ^v[0-9]
+  - provider: releases
+    api_key:
+      secure: "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"
+    file: release-out/**/*
+    skip_cleanup: true
+    file_glob: true
+    on:
+     repo: docker/buildx
+     tags: true
+     condition: $TRAVIS_TAG =~ ^v[0-9]

hack/release

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+TAG=$1
+OUT=$2
+
+set -eu -o pipefail
+
+: ${PLATFORMS=linux/amd64}
+: ${CONTINUOUS_INTEGRATION=}
+
+progressFlag=""
+if [ "$CONTINUOUS_INTEGRATION" == "true" ]; then progressFlag="--progress=plain"; fi
+
+
+usage() {
+  echo "usage: ./hack/release <tag> <out>"
+  exit 1
+}
+
+if [ -z "$TAG" ] || [ -z "$OUT" ]; then 
+  usage
+fi
+
+
+set -x
+
+buildctl build $progressFlag --frontend=dockerfile.v0 \
+  --local context=. --local dockerfile=. \
+  --opt target=release \
+  --opt platform=$PLATFORMS \
+  --exporter local \
+  --exporter-opt output=$OUT