add script to check for local preview env development

scripts/dev-environment/CheckPreviewEnvLocal.sh

@@ -0,0 +1,75 @@
+#!/usr/bin/env bash
+
+env_file_path="docker/.env"
+ngrok_url=""
+
+command -v ngrok >/dev/null 2>&1 || { echo "[ERROR] ngrok is required to test Preview Environments locally" >&2; exit 1; }
+
+if [ -f "$env_file_path" ]; then
+    env_vars="$(cat "$env_file_path" | grep -v "^#" | sed -r "/^\s*$/d" | sed "s/\#.*//")"
+    IFS="="
+    serverURLSet=0
+    githubAppClientIDSet=0
+    githubAppClientSecretSet=0
+    githubAppWebhookSecretSet=0
+    githubAppNameSet=0
+    githubAppIDSet=0
+    githubAppSecretPathSet=0
+    githubIncomingWebhookSecretSet=0
+    while read -r k v; do
+        if [[ "$k" == "SERVER_URL" ]]; then
+            if [[ "$v" != *"ngrok.io"* ]]; then
+                echo "[ERROR] SERVER_URL must be set to an ngrok.io URL."
+                exit 1
+            fi
+
+            serverURLSet=1
+            ngrok_url="$v"
+        elif [[ "$k" == "GITHUB_APP_CLIENT_ID" ]]; then
+            githubAppClientIDSet=1
+        elif [[ "$k" == "GITHUB_APP_CLIENT_SECRET" ]]; then
+            githubAppClientSecretSet=1
+        elif [[ "$k" == "GITHUB_APP_WEBHOOK_SECRET" ]]; then
+            githubAppWebhookSecretSet=1
+        elif [[ "$k" == "GITHUB_APP_NAME" ]]; then
+            githubAppNameSet=1
+        elif [[ "$k" == "GITHUB_APP_ID" ]]; then
+            githubAppIDSet=1
+        elif [[ "$k" == "GITHUB_APP_SECRET_PATH" ]]; then
+            githubAppSecretPathSet=1
+        elif [[ "$k" == "GITHUB_INCOMING_WEBHOOK_SECRET" ]]; then
+            githubIncomingWebhookSecretSet=1
+        fi
+    done <<< "$env_vars"
+
+    if [[ "$serverURLSet" == "0" ]]; then
+        echo "[ERROR] SERVER_URL must be set to an ngrok.io URL."
+        exit 1
+    elif [[ "$githubAppClientIDSet" == 0 ]]; then
+        echo "[ERROR] GITHUB_APP_CLIENT_ID must be set"
+        exit 1
+    elif [[ "$githubAppClientSecretSet" == 0 ]]; then
+        echo "[ERROR] GITHUB_APP_CLIENT_SECRET must be set"
+        exit 1
+    elif [[ "$githubAppWebhookSecretSet" == 0 ]]; then
+        echo "[ERROR] GITHUB_APP_WEBHOOK_SECRET must be set"
+        exit 1
+    elif [[ "$githubAppNameSet" == 0 ]]; then
+        echo "[ERROR] GITHUB_APP_NAME must be set"
+        exit 1
+    elif [[ "$githubAppIDSet" == 0 ]]; then
+        echo "[ERROR] GITHUB_APP_ID must be set"
+        exit 1
+    elif [[ "$githubAppSecretPathSet" == 0 ]]; then
+        echo "[ERROR] GITHUB_APP_SECRET_PATH must be set"
+        exit 1
+    elif [[ "$githubIncomingWebhookSecretSet" == 0 ]]; then
+        echo "[ERROR] GITHUB_INCOMING_WEBHOOK_SECRET must be set"
+        exit 1
+    fi
+else
+    echo "[ERROR] docker/.env should be set with the required variables"
+    exit 1
+fi
+
+echo "[SUCCESS] All required variables are set. MAKE SURE your GitHub app has all URLs set to $ngrok_url."