fix(tests): use curl instead of wget for Docker health checks

Alpine's busybox wget may not work reliably for HTTP health checks
in Docker containers. Switch to curl which is the industry standard
for container health checks.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: AchoArnold

.github/workflows/integration-test.yml

@@ -37,7 +37,7 @@ jobs:
         run: |
           echo "Waiting for API to be healthy..."
           for i in $(seq 1 40); do
-            if docker compose exec api wget -q -O /dev/null http://localhost:8000/health 2>/dev/null; then
+            if docker compose exec api curl -sf http://localhost:8000/health >/dev/null 2>&1; then
               echo "API is healthy!"
               break
             fi

api/Dockerfile

@@ -21,7 +21,7 @@ RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags "-X main.Version=$GI
 
 FROM alpine:latest
 
-RUN addgroup -S http-sms && adduser -S http-sms -G http-sms
+RUN apk add --no-cache curl && addgroup -S http-sms && adduser -S http-sms -G http-sms
 
 USER http-sms
 WORKDIR /home/http-sms

tests/docker-compose.yml

@@ -57,8 +57,7 @@ services:
     environment:
       FIREBASE_CREDENTIALS: "${FIREBASE_CREDENTIALS}"
     healthcheck:
-      test:
-        ["CMD", "wget", "-q", "-O", "/dev/null", "http://localhost:8000/health"]
+      test: ["CMD", "curl", "-f", "http://localhost:8000/health"]
       interval: 5s
       timeout: 10s
       retries: 20