synapse-proxy 0.2.17

Config-driven reverse-proxy sidecar: path-prefix routing, static header injection, and streaming passthrough.
Documentation 
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addr = "0.0.0.0:8787"
admin_addr = "127.0.0.1:8788"
metrics_addr = "0.0.0.0:9090"

[context]
env = { org = "BROKER_ORG_ID", workspace = "BROKER_WORKSPACE_ID" }

[[routes]]
name = "cortex"
path_prefix = "/v1/cortex"
upstream = "http://cortex:8080"
strip_prefix = true
require_context = ["org", "workspace"]
request_steps = [
  { inject = { header = "X-Tenant-Id",    from_context = "org" } },
  { inject = { header = "X-Workspace-Id", from_context = "workspace" } },
  { inject = { header = "X-User-Id",      const = "_default" } },
]

[[routes]]
name = "integration-call"
path_prefix = "/v1/integrations/call"
upstream = "http://integrations:8080/call-workspace"
strip_prefix = true
require_context = ["org", "workspace"]
request_steps = [
  { wrap = { under = "request", inject = [
      { body = "org",       from_context = "org" },
      { body = "workspace", from_context = "workspace" },
  ] } },
]
response_steps = [
  { error_remap = { when_status = 401, error = "auth_expired" } },
  { error_remap = { when_status = 404, error = "no_connection" } },
]