Add configuration files for Ghost, MariaDB, Nextcloud, Postgres, and Redis; implement generate-config script and enhance load-env script for dependency management

load-env.sh

@@ -1,16 +1,178 @@
 #!/usr/bin/env bash
+# This script sources environment variables from:
+# 1. The root .env file
+# 2. App-specific .env files from enabled apps (with install=true in manifest.yaml)
+# Dependencies are respected - if app A requires app B, app B's .env is sourced first
+# set -e
 
 PROJECT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 ENV_FILE="$PROJECT_DIR/.env"
 BIN_DIR="$PROJECT_DIR/bin"
+APPS_DIR="$PROJECT_DIR/apps"
 
+# Check if yq is installed
+if ! command -v yq &> /dev/null; then
+  echo "Error: yq is not installed. Please install it first."
+  echo "You can install it with: wget https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64 -O /usr/local/bin/yq && chmod +x /usr/local/bin/yq"
+  exit 1
+fi
+
+# Source the main .env file
 if [ ! -f "$ENV_FILE" ]; then
   echo "Error: Environment file not found: $ENV_FILE"
   exit 1
 fi
 
+# Turn on allexport to automatically export all variables
 set -a
 source "$ENV_FILE"
 set +a
 
-export PATH="$BIN_DIR:$PATH"
+# Function to parse YAML using yq
+parse_yaml() {
+  local yaml_file=$1
+  
+  # Extract the values we need using yq
+  local name=$(yq eval '.name' "$yaml_file")
+  local install=$(yq eval '.install' "$yaml_file")
+  
+  # Convert boolean to 1/0 for consistency
+  if [ "$install" = "true" ]; then
+    install="1"
+  elif [ "$install" = "false" ]; then
+    install="0"
+  fi
+  
+  # Get dependencies as space-separated string
+  local requires=""
+  if yq eval 'has("requires")' "$yaml_file" | grep -q "true"; then
+    requires=$(yq eval '.requires[].name' "$yaml_file" | tr '\n' ' ' | sed 's/ $//')
+  fi
+  
+  # Return the parsed data as a single line
+  echo "$name|$install|$requires"
+}
+
+# Resolve dependencies and create a list of apps to source in the right order
+resolve_dependencies() {
+  local apps=()
+  local apps_to_install=()
+  local deps_map=()
+  
+  # Parse all manifest files
+  for manifest in "$APPS_DIR"/*/manifest.yaml; do
+    local app_dir=$(dirname "$manifest")
+    local app_name=$(basename "$app_dir")
+    
+    local parsed_data=$(parse_yaml "$manifest")
+    IFS='|' read -r name install requires <<< "$parsed_data"
+    
+    # Add to our arrays
+    apps+=("$name")
+    if [ "$install" = "1" ] || [ "$install" = "true" ]; then
+      apps_to_install+=("$name")
+      deps_map+=("$name:$requires")
+    fi
+  done
+  
+  # Create an ordered list with dependencies first
+  local ordered=()
+  
+  # First add apps with no dependencies
+  for app in "${apps_to_install[@]}"; do
+    local has_deps=false
+    for dep_entry in "${deps_map[@]}"; do
+      local app_name=$(echo "$dep_entry" | cut -d':' -f1)
+      local deps=$(echo "$dep_entry" | cut -d':' -f2)
+      
+      if [ "$app_name" = "$app" ] && [ -n "$deps" ]; then
+        has_deps=true
+        break
+      fi
+    done
+    
+    if [ "$has_deps" = false ]; then
+      ordered+=("$app")
+    fi
+  done
+  
+  # Now add apps with resolved dependencies
+  local remaining=()
+  for app in "${apps_to_install[@]}"; do
+    if ! echo " ${ordered[*]} " | grep -q " $app "; then
+      remaining+=("$app")
+    fi
+  done
+  
+  while [ ${#remaining[@]} -gt 0 ]; do
+    local progress=false
+    
+    for app in "${remaining[@]}"; do
+      local all_deps_resolved=true
+      
+      # Find the dependencies for this app
+      local app_deps=""
+      for dep_entry in "${deps_map[@]}"; do
+        local app_name=$(echo "$dep_entry" | cut -d':' -f1)
+        local deps=$(echo "$dep_entry" | cut -d':' -f2)
+        
+        if [ "$app_name" = "$app" ]; then
+          app_deps="$deps"
+          break
+        fi
+      done
+      
+      # Check if all dependencies are in the ordered list
+      if [ -n "$app_deps" ]; then
+        for dep in $app_deps; do
+          if ! echo " ${ordered[*]} " | grep -q " $dep "; then
+            all_deps_resolved=false
+            break
+          fi
+        done
+      fi
+      
+      if [ "$all_deps_resolved" = true ]; then
+        ordered+=("$app")
+        progress=true
+      fi
+    done
+    
+    # If no progress was made, we have a circular dependency
+    if [ "$progress" = false ]; then
+      echo "Warning: Circular dependency detected in app manifests"
+      # Add remaining apps to avoid getting stuck
+      ordered+=("${remaining[@]}")
+      break
+    fi
+    
+    # Update remaining list
+    local new_remaining=()
+    for app in "${remaining[@]}"; do
+      if ! echo " ${ordered[*]} " | grep -q " $app "; then
+        new_remaining+=("$app")
+      fi
+    done
+    remaining=("${new_remaining[@]}")
+  done
+  
+  echo "${ordered[@]}"
+}
+
+# Get ordered list of apps to source
+ordered_apps=($(resolve_dependencies))
+
+# Source app .env files in dependency order
+# echo "Sourcing app environment files..."
+for app in "${ordered_apps[@]}"; do
+  app_env_file="$APPS_DIR/$app/config/.env"
+  if [ -f "$app_env_file" ]; then
+    # echo "  - $app"
+    set -a
+    source "$app_env_file"
+    set +a
+  fi
+done
+
+# Add bin directory to PATH
+export PATH="$BIN_DIR:$PATH"