Add CI/CD build and deploy scripts, along with docker-compose, HAProxy config, and a certbot

merge hook. Set up env.example generation. Add doiuse dev dependency.

utils/generate-env-example.sh

@@ -0,0 +1,47 @@
+#!/bin/bash
+
+cd $(dirname $(dirname $(realpath $0)))
+
+# Path to the original .env file
+ENV_FILE=".env"
+# Path to the new .env.example file
+EXAMPLE_FILE=".env.example"
+
+# Check if the .env file exists
+if [ ! -f "$ENV_FILE" ]; then
+    echo "The file $ENV_FILE does not exist."
+    exit 1
+fi
+
+# Create or empty the .env.example file
+> "$EXAMPLE_FILE"
+
+SKIP_NEXT=false
+
+# Read each line in .env
+while IFS= read -r line; do
+  # Skip the current line if the previous line is part of a multiline/quoted string
+  if [[ $SKIP_NEXT == true ]]; then
+    if [[ $line == *'"'* ]]; then
+        SKIP_NEXT=false
+    fi
+    continue
+  # Copy comments and empty lines verbatim
+  elif [[ $line == \#* ]] || [[ -z $line ]]; then
+    echo "$line" >> "$EXAMPLE_FILE"
+    continue
+  # Check if the line is a multiline/quoted string
+  elif [[ $line == *'="'* ]]; then
+    if [[ $line != *'"' ]]; then
+      SKIP_NEXT=true
+    fi
+    LINE=${line%%=*}
+    echo "$LINE=\"\${$LINE}\"" >> "$EXAMPLE_FILE"
+  # For all other lines, copy only the key (everything before the '=') if present
+  elif [[ $line == *'='* ]]; then
+    LINE=${line%%=*}
+    echo "$LINE=\${$LINE}" >> "$EXAMPLE_FILE"
+  fi
+done < "$ENV_FILE"
+
+echo ".env.example file created successfully."