Initial commit

.github/main.workflow

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+workflow "Build and Publish" {
+  on = "push"
+  resolves = "Docker Publish"
+}
+
+action "Shell Lint" {
+  uses = "actions/bin/shellcheck@master"
+  args = "entrypoint.sh"
+}
+
+action "Test" {
+  uses = "actions/bin/bats@master"
+  args = "test/*.bats"
+}
+
+action "Docker Lint" {
+  uses = "docker://replicated/dockerfilelint"
+  args = ["Dockerfile"]
+}
+
+action "Build" {
+  needs = ["Shell Lint", "Test", "Docker Lint"]
+  uses = "actions/docker/cli@master"
+  args = "build -t yarn ."
+}
+
+action "Docker Tag" {
+  needs = ["Build"]
+  uses = "actions/docker/tag@master"
+  args = "yarn borales/yarn --no-latest"
+}
+
+action "Publish Filter" {
+  needs = ["Build"]
+  uses = "actions/bin/filter@master"
+  args = "branch master"
+}
+
+action "Docker Login" {
+  needs = ["Publish Filter"]
+  uses = "actions/docker/login@master"
+  secrets = ["DOCKER_USERNAME", "DOCKER_PASSWORD"]
+}
+
+action "Docker Publish" {
+  needs = ["Docker Tag", "Docker Login"]
+  uses = "actions/docker/cli@master"
+  args = "push borales/yarn"
+}