Add release pipeline to create artifacts for osmosis releases (#1644) (…

…#2017)

Continues: #1550 

## What is the purpose of the change

This PR introduces an automatic release workflow via GitHub Actions to create all the artifacts for an osmosis release.
This workflow runs on every new tag or when manually triggered and it creates a release folder with all the osmosis binaries as workflow output.

## Brief Changelog

- Introduce automatic release workflow via GitHub Actions

## Testing and Verifying

Tested this workflow on a fork: https://github.com/nikever/osmosis/actions/runs/2422822418
The release folder is present in the `Artifacts` section:

![image](https://user-images.githubusercontent.com/6024049/171494127-37d1542c-7c4d-4690-ab6c-a43757b2295d.png)

## Documentation and Release Note

  - Does this pull request introduce a new feature or user-facing behavior changes? no
  - Is a relevant changelog entry added to the `Unreleased` section in `CHANGELOG.md`? no
  - How is the feature or change documented? not applicable

.github/workflows/release.yml

@@ -0,0 +1,35 @@
+# Create a release folder with the osmosis binaries
+# This workflow runs on every new tag or when manually triggered
+# It will create a release folder that it's served as an workflow artifact
+
+name: Release Osmosis
+
+on:
+  push:
+    tags:
+    - 'v*' 
+  workflow_dispatch:
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - 
+        name: Check out the repo
+        uses: actions/checkout@v2
+      - 
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      - 
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      - 
+        name: Launch release process
+        run: |
+          make -f contrib/images/osmobuilder/Makefile release
+      - 
+        name: Upload release folder
+        uses: actions/upload-artifact@v2
+        with:
+          name: release
+          path: release

contrib/images/osmobuilder/Makefile

@@ -37,17 +37,15 @@ build-binary-amd64: create-dockerx-builder
 	--build-arg BUILD_TAGS=$(BUILD_TAGS) \
 	-t $(IMAGE)-amd64 \
 	--load \
-	--no-cache \
-	--progress plain \
 	-f contrib/images/osmobuilder/Dockerfile .
 
 # Get binary from image for amd64 architecture
 get-binary-amd64: build-binary-amd64
 	mkdir -p release/
 	docker rm -f osmobinary || true
 	docker create -ti --name osmobinary $(IMAGE)-amd64
-	docker cp osmobinary:/osmosis/build/osmosisd release/osmosis-$(VERSION)-linux-amd64
-	tar -zcvf release/osmosis-$(VERSION)-linux-amd64.tar.gz release/osmosis-$(VERSION)-linux-amd64
+	docker cp osmobinary:/osmosis/build/osmosisd release/osmosisd-$(VERSION)-linux-amd64
+	tar -zcvf release/osmosisd-$(VERSION)-linux-amd64.tar.gz release/osmosisd-$(VERSION)-linux-amd64
 	docker rm -f osmobinary
 
 # Build image for arm64 architecture
@@ -61,17 +59,15 @@ build-binary-arm64: create-dockerx-builder
 	--build-arg BUILD_TAGS=$(BUILD_TAGS) \
 	-t $(IMAGE)-arm64 \
 	--load \
-	--no-cache \
-	--progress plain \
 	-f contrib/images/osmobuilder/Dockerfile .
 
 # Get binary from image for arm64 architecture
 get-binary-arm64: build-binary-arm64
 	mkdir -p release/
 	docker rm -f osmobinary || true
 	docker create -ti --name osmobinary $(IMAGE)-arm64
-	docker cp osmobinary:/osmosis/build/osmosisd release/osmosis-$(VERSION)-linux-arm64
-	tar -zcvf release/osmosis-$(VERSION)-linux-arm64.tar.gz release/osmosis-$(VERSION)-linux-arm64
+	docker cp osmobinary:/osmosis/build/osmosisd release/osmosisd-$(VERSION)-linux-arm64
+	tar -zcvf release/osmosisd-$(VERSION)-linux-arm64.tar.gz release/osmosisd-$(VERSION)-linux-arm64
 	docker rm -f osmobinary
 
 # Calculate sha