[feature] Add snapshot binary builds + uploads (#2119)

* [feature] Add snapshot binary builds + uploads

* Update docs to include info on snapshot builds

* review comments

* little tweaks

.drone.yml

@@ -81,7 +81,7 @@ steps:
       - yarn run build
 
   - name: snapshot
-    image: superseriousbusiness/gotosocial-drone-build:0.2.0 # https://github.com/superseriousbusiness/gotosocial-drone-build
+    image: superseriousbusiness/gotosocial-drone-build:0.3.0 # https://github.com/superseriousbusiness/gotosocial-drone-build
     volumes:
       - name: go-build-cache
         path: /root/.cache/go-build
@@ -91,16 +91,28 @@ steps:
       DOCKER_USERNAME: gotosocial
       DOCKER_PASSWORD:
         from_secret: gts_docker_password
+      S3_ACCESS_KEY_ID:
+        from_secret: gts_s3_access_key_id
+      S3_SECRET_ACCESS_KEY:
+        from_secret: gts_s3_secret_access_key
+      S3_HOSTNAME: "https://s3.superseriousbusiness.org"
+      S3_BUCKET_NAME: "gotosocial-snapshots"
     commands:
+      # Create a snapshot build with GoReleaser.
       - git fetch --tags
-      - /go/dockerlogin.sh
       - goreleaser release --rm-dist --snapshot
-      - docker push superseriousbusiness/gotosocial:snapshot-armv6 && 
+      
+      # Login to Docker, push Docker image snapshots + manifests.
+      - /go/dockerlogin.sh
+      - docker push superseriousbusiness/gotosocial:snapshot-armv6
       - docker push superseriousbusiness/gotosocial:snapshot-armv7
       - docker push superseriousbusiness/gotosocial:snapshot-arm64v8
       - docker push superseriousbusiness/gotosocial:snapshot-amd64
       - docker manifest create superseriousbusiness/gotosocial:snapshot superseriousbusiness/gotosocial:snapshot-armv6 superseriousbusiness/gotosocial:snapshot-armv7 superseriousbusiness/gotosocial:snapshot-amd64 superseriousbusiness/gotosocial:snapshot-arm64v8
       - docker manifest push superseriousbusiness/gotosocial:snapshot
+      
+      # Publish binary .tar.gz snapshots to S3.
+      - /go/snapshot_publish.sh
     when:
       event:
         include:
@@ -110,7 +122,7 @@ steps:
           - main
 
   - name: release
-    image: superseriousbusiness/gotosocial-drone-build:0.2.0 # https://github.com/superseriousbusiness/gotosocial-drone-build
+    image: superseriousbusiness/gotosocial-drone-build:0.3.0 # https://github.com/superseriousbusiness/gotosocial-drone-build
     volumes:
       - name: go-build-cache
         path: /root/.cache/go-build
@@ -169,7 +181,7 @@ clone:
 
 steps:
   - name: mirror
-    image: superseriousbusiness/gotosocial-drone-build:0.2.0
+    image: superseriousbusiness/gotosocial-drone-build:0.3.0
     environment:
       ORIGIN_REPO: https://github.com/superseriousbusiness/gotosocial
       TARGET_REPO: https://codeberg.org/superseriousbusiness/gotosocial
@@ -182,6 +194,6 @@ steps:
 
 ---
 kind: signature
-hmac: 946c2ffd4e79de07a767ec06ebac0a8ca70a03ce5666aae093c9b0af455041d1
+hmac: 74653d67ed44ceefb7e19d6125d4a457e6308b5ef627df6325d72a0cc7d7cc0a
 
 ...