chore: adds worker service manifest (#2577)

Adds file for new worker service manifest.

Addresses #2550

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Author: xar-tol

templates/workloads/services/worker/manifest.yml

@@ -0,0 +1,60 @@
+# The manifest for the "{{.Name}}" service.
+# Read the full specification for the "Worker Service" type at:
+# https://aws.github.io/copilot-cli/docs/manifest/worker-service/
+
+# Your service name will be used in naming your resources like log groups, ECS services, etc.
+name: {{.Name}}
+type: {{.Type}}
+
+# Configuration for your containers and service.
+image:
+{{- if .ImageConfig.Build.BuildArgs.Dockerfile}}
+  # Docker build arguments.
+  build: {{.ImageConfig.Build.BuildArgs.Dockerfile}}
+{{- end}}
+{{- if .ImageConfig.Image.Location}}
+  location: {{.ImageConfig.Image.Location}}
+{{- end}}
+{{- if .ImageConfig.HealthCheck}}
+  healthcheck:
+    # Container health checks
+    command: {{fmtSlice (quoteSlice .ImageConfig.HealthCheck.Command)}}
+    interval: {{.ImageConfig.HealthCheck.Interval}}
+    retries: {{.ImageConfig.HealthCheck.Retries}}
+    timeout: {{.ImageConfig.HealthCheck.Timeout}}
+    start_period: {{.ImageConfig.HealthCheck.StartPeriod}}
+{{- end}}
+
+cpu: {{.CPU}}       # Number of CPU units for the task.
+memory: {{.Memory}}    # Amount of memory in MiB used by the task.
+count: {{.Count.Value}}       # Number of tasks that should be running in your service.
+exec: true     # Enable running commands in your container.
+
+{{- if .Subscribe}}{{- if .Subscribe.Topics}}
+subscribe:
+  topics:
+{{- range $topic := .Subscribe.Topics}}
+    - name: {{.Name}}
+      service: {{.Service}}
+{{- end}}
+{{- end}}{{- end}}
+
+# Optional fields for more advanced use-cases.
+#
+#variables:                    # Pass environment variables as key value pairs.
+#  LOG_LEVEL: info
+
+#secrets:                      # Pass secrets from AWS Systems Manager (SSM) Parameter Store.
+#  GITHUB_TOKEN: GITHUB_TOKEN  # The key is the name of the environment variable, the value is the name of the SSM parameter.
+
+# You can override any of the values defined above by environment.
+#environments:
+#  test:
+#    count: 2               # Number of tasks to run for the "test" environment.
+
+# You can enable self-publishing or publishing to other services.
+#publish:
+#  topics:
+#    - name: {{.Name}}Topic
+#      allowed_workers:
+#        - {{.Name}}