feat(infra): add pb-init sidecar to create PocketBase collections on startup
Add scripts/pb-init.sh — an idempotent alpine sh script that authenticates with the PocketBase admin API and POSTs all required collection schemas (books, chapters_idx, ranking, progress, audio_cache, app_users) before any application service starts. 400/422 responses are treated as success so it is safe to run on every docker compose up. Wire pb-init into docker-compose.yml: - pb-init service: alpine:3.19, depends on pocketbase healthy, mounts script - scraper and ui both depend on pb-init via service_completed_successfully, guaranteeing collections exist before the first request hits app_users
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Admin
@@ -59,6 +59,22 @@ services:
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timeout: 5s
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retries: 5
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# ─── PocketBase collection bootstrap ────────────────────────────────────────
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# One-shot init container: creates all required collections via the admin API
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# and exits. Idempotent — safe to run on every `docker compose up`.
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pb-init:
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image: alpine:3.19
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depends_on:
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pocketbase:
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condition: service_healthy
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environment:
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POCKETBASE_URL: "http://pocketbase:8090"
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POCKETBASE_ADMIN_EMAIL: "${POCKETBASE_ADMIN_EMAIL:-admin@libnovel.local}"
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POCKETBASE_ADMIN_PASSWORD: "${POCKETBASE_ADMIN_PASSWORD:-changeme123}"
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volumes:
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- ./scripts/pb-init.sh:/pb-init.sh:ro
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entrypoint: ["sh", "/pb-init.sh"]
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# ─── Browserless ────────────────────────────────────────────────────────────
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browserless:
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image: ghcr.io/browserless/chromium:latest
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@@ -94,6 +110,8 @@ services:
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#container_name: libnovel-scraper
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restart: unless-stopped
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depends_on:
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pb-init:
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condition: service_completed_successfully
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pocketbase:
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condition: service_healthy
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minio:
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@@ -142,6 +160,8 @@ services:
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container_name: libnovel-ui
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restart: unless-stopped
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depends_on:
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pb-init:
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condition: service_completed_successfully
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scraper:
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condition: service_healthy
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pocketbase:
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136
scripts/pb-init.sh
Executable file
136
scripts/pb-init.sh
Executable file
@@ -0,0 +1,136 @@
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#!/bin/sh
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# pb-init.sh — idempotent PocketBase collection bootstrap
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#
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# Creates all collections required by libnovel. Safe to re-run: POST returns
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# 400/422 when a collection already exists; both are treated as success.
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#
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# Required env vars (with defaults):
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# POCKETBASE_URL http://pocketbase:8090
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# POCKETBASE_ADMIN_EMAIL admin@libnovel.local
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# POCKETBASE_ADMIN_PASSWORD changeme123
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set -e
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PB_URL="${POCKETBASE_URL:-http://pocketbase:8090}"
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PB_EMAIL="${POCKETBASE_ADMIN_EMAIL:-admin@libnovel.local}"
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PB_PASSWORD="${POCKETBASE_ADMIN_PASSWORD:-changeme123}"
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log() { echo "[pb-init] $*"; }
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# ─── 1. Wait for PocketBase to be ready ──────────────────────────────────────
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log "waiting for PocketBase at $PB_URL ..."
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until wget -qO- "$PB_URL/api/health" > /dev/null 2>&1; do
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sleep 2
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done
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log "PocketBase is up"
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# ─── 2. Authenticate and obtain a superuser token ────────────────────────────
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log "authenticating as $PB_EMAIL ..."
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AUTH_RESPONSE=$(wget -qO- \
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--header="Content-Type: application/json" \
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--post-data="{\"identity\":\"$PB_EMAIL\",\"password\":\"$PB_PASSWORD\"}" \
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"$PB_URL/api/collections/_superusers/auth-with-password")
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TOKEN=$(echo "$AUTH_RESPONSE" | sed 's/.*"token":"\([^"]*\)".*/\1/')
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if [ -z "$TOKEN" ] || [ "$TOKEN" = "$AUTH_RESPONSE" ]; then
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log "ERROR: failed to obtain auth token. Response: $AUTH_RESPONSE"
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exit 1
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fi
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log "auth token obtained"
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# ─── 3. Helper: create a collection (ignores 400/422 already-exists) ─────────
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create_collection() {
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NAME="$1"
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BODY="$2"
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STATUS=$(wget -qSO- \
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--header="Content-Type: application/json" \
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--header="Authorization: $TOKEN" \
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--post-data="$BODY" \
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"$PB_URL/api/collections" 2>&1 | grep "HTTP/" | tail -1 | awk '{print $2}')
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case "$STATUS" in
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200|201) log "created collection: $NAME" ;;
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400|422) log "collection already exists (skipped): $NAME" ;;
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*) log "WARNING: unexpected status $STATUS for collection: $NAME" ;;
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esac
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}
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# ─── 4. Create collections ────────────────────────────────────────────────────
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create_collection "books" '{
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"name": "books",
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"type": "base",
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"fields": [
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{"name": "slug", "type": "text", "required": true},
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{"name": "title", "type": "text", "required": true},
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{"name": "author", "type": "text"},
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{"name": "cover", "type": "text"},
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{"name": "status", "type": "text"},
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{"name": "genres", "type": "json"},
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{"name": "summary", "type": "text"},
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{"name": "total_chapters", "type": "number"},
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{"name": "source_url", "type": "text"},
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{"name": "ranking", "type": "number"},
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{"name": "meta_updated", "type": "date"}
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]
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}'
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create_collection "chapters_idx" '{
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"name": "chapters_idx",
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"type": "base",
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"fields": [
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{"name": "slug", "type": "text", "required": true},
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{"name": "number", "type": "number", "required": true},
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{"name": "title", "type": "text"},
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{"name": "date_label", "type": "text"}
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]
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}'
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create_collection "ranking" '{
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"name": "ranking",
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"type": "base",
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"fields": [
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{"name": "rank", "type": "number", "required": true},
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{"name": "slug", "type": "text", "required": true},
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{"name": "title", "type": "text"},
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{"name": "author", "type": "text"},
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{"name": "cover", "type": "text"},
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{"name": "status", "type": "text"},
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{"name": "genres", "type": "json"},
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{"name": "source_url", "type": "text"},
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{"name": "updated", "type": "date"}
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]
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}'
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create_collection "progress" '{
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"name": "progress",
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"type": "base",
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"fields": [
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{"name": "session_id", "type": "text", "required": true},
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{"name": "slug", "type": "text", "required": true},
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{"name": "chapter", "type": "number"},
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{"name": "updated", "type": "date"}
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]
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}'
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create_collection "audio_cache" '{
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"name": "audio_cache",
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"type": "base",
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"fields": [
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{"name": "cache_key", "type": "text", "required": true},
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{"name": "filename", "type": "text"},
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{"name": "updated", "type": "date"}
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]
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}'
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create_collection "app_users" '{
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"name": "app_users",
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"type": "base",
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"fields": [
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{"name": "username", "type": "text", "required": true},
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{"name": "password_hash", "type": "text", "required": true},
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{"name": "role", "type": "text"},
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{"name": "created", "type": "date"}
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]
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}'
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log "all collections ready"
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