fix env vars and add smoke test

.github/workflows/docker.yml

@@ -12,11 +12,14 @@ concurrency:
 
 jobs:
   docker:
-    name: 🔨 Docker build
+    name: 🚢 Docker build
     runs-on: ubuntu-latest
     steps:
       - name: ⬇️ Checkout repo
         uses: actions/checkout@v4
 
-      - name: ⎔ Docker build
-        run: ./scripts/build
+      - name: 🔨 Docker build
+        run: ./scripts/build
+
+      - name: 🔥 Smoke test
+        run: ./scripts/smoke-test

scripts/common

@@ -2,12 +2,16 @@ NAME=epikinetics-app
 ORG=seroanalytics
 PACKAGE_ROOT="${HERE}/.."
 
-if [ -z "$GITHUB_REF" ]; then
-    GIT_BRANCH=$(git -C "$PACKAGE_ROOT" symbolic-ref --short HEAD)
-    GIT_ID=$(git -C "$PACKAGE_ROOT" rev-parse --short=7 HEAD)
+if [[ -v "GITHUB_SHA" ]]; then
+    GIT_ID=${GITHUB_SHA:0:7}
 else
-    GIT_BRANCH=$GITHUB_REF
-    GIT_ID=$(echo $GITHUB_SHA | cut -c1-7)
+    GIT_ID=$(git rev-parse --short=7 HEAD)
+fi
+
+if [[ -v "BRANCH_NAME" ]]; then
+    GIT_BRANCH=${BRANCH_NAME}
+else
+    GIT_BRANCH=$(git symbolic-ref --short HEAD)
 fi
 
 DOCKER_COMMIT_TAG=$ORG/$NAME:$GIT_ID

scripts/smoke-test

@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+
+HERE=$(realpath  "$(dirname $0)")
+. $HERE/common
+
+wait_for()
+{
+    echo "waiting up to $TIMEOUT seconds for app"
+    start_ts=$(date +%s)
+    for i in $(seq $TIMEOUT); do
+        result="$(curl --write-out %{http_code} --silent --output /dev/null http://localhost:3000 2>/dev/null)"
+        if [[ $result -eq "200" ]]; then
+            end_ts=$(date +%s)
+            echo "App available after $((end_ts - start_ts)) seconds"
+            break
+        fi
+        sleep 1
+        echo "...still waiting"
+    done
+    return $result
+}
+
+docker run -d -p 3000:3000 $DOCKER_COMMIT_TAG
+
+# The variable expansion below is 60s by default, or the argument provided
+# to this script
+TIMEOUT="${1:-60}"
+wait_for
+RESULT=$?
+if [[ $RESULT -ne 200 ]]; then
+  echo "App did not become available in time"
+  exit 1
+fi
+exit 0

scripts/test

@@ -0,0 +1,7 @@
+check=$(curl -s -vv -I http://localhost:3000 2>/dev/null | grep "HTTP/2 200")
+#echo $check
+if [[ -z $check ]] ; then
+      echo "Cnxn failed"
+    else
+      echo "Cnxn successful"
+fi