🚧 progress: Refactor netcat loop as a composite action.

.github/actions/is-reachable/action.yml

@@ -0,0 +1,52 @@
+name: is-reachable
+description: Checks if a given host is reachable
+
+inputs:
+
+  host:
+    required: true
+    default: 'localhost'
+
+  port:
+    required: true
+
+  timeout:
+    required: true
+    default: 5
+
+  max-roundtrip:
+    required: true
+    default: 5
+
+  polling-interval:
+    required: true
+    default: 1
+
+  protocol:
+    required: true
+    default: 'tcp'
+
+  ip-version:
+    required: true
+    default: 'any'
+
+runs:
+
+  using: composite
+
+  steps:
+
+    - name: Wait for host to be reachable
+
+      env:
+        TIMEOUT: ${{ inputs.timeout }}
+        MAX_ROUNDTRIP: ${{ inputs.max-roundtrip }}
+        HOST: ${{ inputs.host }}
+        PORT: ${{ inputs.port }}
+        POLLING_INTERVAL: ${{ inputs.polling-interval }}
+        PROTOCOL_FLAGS: ${{ inputs.protocol == 'udp' && '-u' || '' }}
+        IP_VERSION_FLAGS: ${{ inputs.ip-version == '4' && '-4' || (inputs.ip-version == '6' && '-6' || '') }}
+
+      run: |
+        timeout "$TIMEOUT" bash -c \
+         'until nc -z -v -w"${MAX_ROUNDTRIP}" ${IP_VERSION_FLAGS} ${PROTOCOL_FLAGS} "${HOST}" "${PORT}"; do sleep "${POLLING_INTERVAL}"; done'

.github/workflows/ci:build.yml

@@ -185,9 +185,10 @@ jobs:
           echo "pid=$!" >> "$GITHUB_OUTPUT"
 
       - name: Wait for server port to be available
-        run: |
-          timeout 60 bash -c \
-           'until nc -z -v -w5 localhost 3000 ; do sleep 1; done'
+        uses: ./.github/actions/is-reachable
+        with:
+          timeout: 60
+          port: 3000
 
       - name: Call healthcheck endpoint
         run: |

.github/workflows/ci:build:compose.yml

@@ -97,9 +97,10 @@ jobs:
            'until docker inspect --format "{{json .State.Health }}" "$(docker compose ps -q patient-db)" | jq -e ".Status == \"healthy\"" ; do sleep 1; done'
 
       - name: Wait for web port to be available
-        run: |
-          timeout 60 bash -c \
-           'until nc -z -v -w5 localhost 3000 ; do sleep 1; done'
+        uses: ./.github/actions/is-reachable
+        with:
+          timeout: 60
+          port: 3000
 
       - name: Wait for web container to be healthy
         run: |

.github/workflows/ci:build:image.yml

@@ -162,10 +162,12 @@ jobs:
           timeout 60 bash -c \
            'until docker inspect --format "{{json .State }}" server | jq -e ".Status == \"running\"" ; do sleep 1; done'
 
-      - name: Wait for server container 3000 port to be available
-        run: |
-          timeout 60 bash -c \
-           'until nc -z -v -w5 ${{ steps.server-container-ip-address.outputs.address }} 3000 ; do sleep 1; done'
+      - name: Wait for server container port to be available
+        uses: ./.github/actions/is-reachable
+        with:
+          timeout: 60
+          host: ${{ steps.server-container-ip-address.outputs.address }}
+          port: 3000
 
       - name: Show docker containers
         if: always()

.github/workflows/ci:test:deploy.yml

@@ -57,9 +57,10 @@ jobs:
            'until docker inspect --format "{{json .State.Health }}" "$(docker compose ps -q patient-db)" | jq -e ".Status == \"healthy\"" ; do sleep 1; done'
 
       - name: Wait for web port to be available
-        run: |
-          timeout 60 bash -c \
-           'until nc -z -v -w5 localhost 3000 ; do sleep 1; done'
+        uses: ./.github/actions/is-reachable
+        with:
+          timeout: 60
+          port: 3000
 
       - name: Wait for web container to be healthy
         run: |