feature: add plc-mirror healthcheck

cmd/plc-mirror/Dockerfile

@@ -6,7 +6,7 @@ COPY . ./
 RUN go build -trimpath ./cmd/plc-mirror
 
 FROM alpine:latest as certs
-RUN apk --update add ca-certificates
+RUN apk --update add ca-certificates curl
 
 FROM debian:stable-slim
 COPY --from=certs /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt

docker-compose.yml

@@ -79,6 +79,13 @@ services:
     ports:
       - "${METRICS_ADDR:-0.0.0.0}:11004:8080"
     command: [ "--log-level=0" ]
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:8080/ready"]
+      interval: 30s
+      timeout: 5s
+      retries: 30
+      start_period: 6h
+      start_interval: 15s
 
   lister:
     build:
@@ -98,6 +105,8 @@ services:
     depends_on:
       postgres:
         condition: service_healthy
+      plc:
+        condition: service_healthy
       update-db-schema:
         condition: service_completed_successfully
     environment:
@@ -125,6 +134,8 @@ services:
     depends_on:
       postgres:
         condition: service_healthy
+      plc:
+        condition: service_healthy
       update-db-schema:
         condition: service_completed_successfully
     environment:
@@ -154,6 +165,8 @@ services:
     depends_on:
       postgres:
         condition: service_healthy
+      plc:
+        condition: service_healthy
       update-db-schema:
         condition: service_completed_successfully
     dns: