Persist env vars for app runtime

CloudronManifest.json

@@ -5,7 +5,7 @@
   "description": "Next-gen knowledge base that blends docs, whiteboards, and databases for self-hosted teams.",
   "website": "https://affine.pro",
   "contactEmail": "support@affine.pro",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "changelog": "Initial Cloudron packaging",
   "manifestVersion": 2,
   "minBoxVersion": "7.0.0",

run-affine.sh

@@ -3,6 +3,14 @@ set -euo pipefail
 
 APP_DIR=${APP_BUILD_DIR:-/app/code/affine}
 cd "$APP_DIR"
+ENV_EXPORT_FILE=${ENV_EXPORT_FILE:-/run/affine/runtime.env}
+
+if [ -f "$ENV_EXPORT_FILE" ]; then
+  set -a
+  # shellcheck disable=SC1090
+  source "$ENV_EXPORT_FILE"
+  set +a
+fi
 
 log() {
   printf '[%s] %s\n' "$(date --iso-8601=seconds)" "$*"

start.sh

@@ -8,12 +8,23 @@ APP_TMP_DIR=${APP_TMP_DIR:-/tmp/data}
 APP_BUILD_DIR=${APP_BUILD_DIR:-/app/code/affine}
 APP_HOME_DIR=${APP_HOME_DIR:-/app/data/home}
 AFFINE_HOME=${AFFINE_HOME:-$APP_HOME_DIR/.affine}
-export APP_CODE_DIR APP_DATA_DIR APP_RUNTIME_DIR APP_TMP_DIR APP_BUILD_DIR APP_HOME_DIR AFFINE_HOME
+ENV_EXPORT_FILE=${ENV_EXPORT_FILE:-$APP_RUNTIME_DIR/runtime.env}
+export APP_CODE_DIR APP_DATA_DIR APP_RUNTIME_DIR APP_TMP_DIR APP_BUILD_DIR APP_HOME_DIR AFFINE_HOME ENV_EXPORT_FILE
 
 log() {
   printf '[%s] %s\n' "$(date --iso-8601=seconds)" "$*"
 }
 
+persist_env_vars() {
+  local var
+  for var in "$@"; do
+    local value="${!var-}"
+    if [ -n "$value" ]; then
+      printf '%s=%q\n' "$var" "$value" >> "$ENV_EXPORT_FILE"
+    fi
+  done
+}
+
 require_env() {
   local var_name="$1"
   if [ -z "${!var_name:-}" ]; then
@@ -26,6 +37,7 @@ prepare_data_dirs() {
   log "Preparing persistent directories"
   mkdir -p "$APP_DATA_DIR/config" "$APP_DATA_DIR/storage" "$APP_DATA_DIR/logs" "$APP_RUNTIME_DIR" "$APP_HOME_DIR" "$AFFINE_HOME"
   mkdir -p /run/nginx/body /run/nginx/proxy /run/nginx/fastcgi
+  : > "$ENV_EXPORT_FILE"
 
   if [ ! -f "$APP_DATA_DIR/config/config.json" ]; then
     log "Seeding default configuration"
@@ -54,6 +66,7 @@ configure_database() {
     db_url="postgresql://${db_url#postgres://}"
   fi
   export DATABASE_URL="$db_url"
+  persist_env_vars DATABASE_URL
   log "Configured PostgreSQL endpoint"
 }
 
@@ -83,6 +96,7 @@ PY
   export REDIS_SERVER_USERNAME="$username"
   export REDIS_URL="$CLOUDRON_REDIS_URL"
   export REDIS_SERVER_URL="$CLOUDRON_REDIS_URL"
+  persist_env_vars REDIS_SERVER_HOST REDIS_SERVER_PORT REDIS_SERVER_PASSWORD REDIS_SERVER_DATABASE REDIS_SERVER_USERNAME REDIS_URL REDIS_SERVER_URL
   log "Configured Redis endpoint"
 }
 
@@ -97,6 +111,7 @@ configure_mail() {
   export MAILER_PASSWORD="${CLOUDRON_MAIL_SMTP_PASSWORD:-}"
   export MAILER_SENDER="${CLOUDRON_MAIL_FROM:-AFFiNE <no-reply@cloudron.local>}"
   export MAILER_SERVERNAME="${MAILER_SERVERNAME:-AFFiNE Server}"
+  persist_env_vars MAILER_HOST MAILER_PORT MAILER_USER MAILER_PASSWORD MAILER_SENDER MAILER_SERVERNAME
   log "Configured SMTP relay"
 }
 
@@ -120,6 +135,7 @@ PY
     fi
   fi
   export AFFINE_INDEXER_ENABLED=${AFFINE_INDEXER_ENABLED:-false}
+  persist_env_vars AFFINE_SERVER_EXTERNAL_URL AFFINE_SERVER_HOST AFFINE_SERVER_HTTPS AFFINE_INDEXER_ENABLED
 }
 
 configure_auth() {