fix: simplify bake file to avoid locals/function blocks (buildx compat)

The Gitea runner's docker buildx doesn't support HCL locals{} or function{}
blocks (added in buildx 0.12+). Replace with plain variables: VERSION and
MAJOR_MINOR are pre-computed in a CI step and passed as env vars to bake.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.gitea/workflows/release.yaml

@@ -148,13 +148,9 @@ jobs:
   #         SENTRY_PROJECT: ui
 
   # ── docker: build + push all images via docker bake ──────────────────────────
-  # docker-bake.hcl defines all five targets. BuildKit builds them with maximum
-  # parallelism: backend/runner/pocketbase share the Go builder stage (compiled
-  # once), while caddy and ui build concurrently alongside the Go targets.
-  #
-  # Metadata (tags + labels) is generated per-image by docker/metadata-action
-  # (bake-target mode), then merged into a single bake call via the bake-action
-  # targets input — one Docker Hub login, one buildx invocation.
+  # docker-bake.hcl owns all tag logic (semver, major.minor, latest) via HCL
+  # functions — no docker/metadata-action needed.  BuildKit builds all five
+  # targets in parallel, sharing the Go builder stage across backend/runner/pocketbase.
   docker:
     name: Docker
     runs-on: ubuntu-latest
@@ -170,7 +166,14 @@ jobs:
           username: ${{ secrets.DOCKER_USER }}
           password: ${{ secrets.DOCKER_TOKEN }}
 
-      # ── Prepare ui build artifact ─────────────────────────────────────────────
+      - name: Compute version tags
+        id: ver
+        run: |
+          V="${{ gitea.ref_name }}"
+          VER="${V#v}"
+          echo "version=$VER" >> "$GITHUB_OUTPUT"
+          echo "major_minor=$(echo "$VER" | cut -d. -f1-2)" >> "$GITHUB_OUTPUT"
+
       - name: Download ui build artifacts
         uses: actions/download-artifact@v3
         with:
@@ -182,80 +185,16 @@ jobs:
           grep -v '^build$' ui/.dockerignore > ui/.dockerignore.tmp
           mv ui/.dockerignore.tmp ui/.dockerignore
 
-      # ── Generate per-image tags + labels (bake-target mode) ───────────────────
-      - name: Docker meta / backend
-        id: meta-backend
-        uses: docker/metadata-action@v5
-        with:
-          images: ${{ secrets.DOCKER_USER }}/libnovel-backend
-          bake-target: backend
-          tags: |
-            type=semver,pattern={{version}}
-            type=semver,pattern={{major}}.{{minor}}
-            type=raw,value=latest
-
-      - name: Docker meta / runner
-        id: meta-runner
-        uses: docker/metadata-action@v5
-        with:
-          images: ${{ secrets.DOCKER_USER }}/libnovel-runner
-          bake-target: runner
-          tags: |
-            type=semver,pattern={{version}}
-            type=semver,pattern={{major}}.{{minor}}
-            type=raw,value=latest
-
-      - name: Docker meta / pocketbase
-        id: meta-pocketbase
-        uses: docker/metadata-action@v5
-        with:
-          images: ${{ secrets.DOCKER_USER }}/libnovel-pocketbase
-          bake-target: pocketbase
-          tags: |
-            type=semver,pattern={{version}}
-            type=semver,pattern={{major}}.{{minor}}
-            type=raw,value=latest
-
-      - name: Docker meta / ui
-        id: meta-ui
-        uses: docker/metadata-action@v5
-        with:
-          images: ${{ secrets.DOCKER_USER }}/libnovel-ui
-          bake-target: ui
-          tags: |
-            type=semver,pattern={{version}}
-            type=semver,pattern={{major}}.{{minor}}
-            type=raw,value=latest
-
-      - name: Docker meta / caddy
-        id: meta-caddy
-        uses: docker/metadata-action@v5
-        with:
-          images: ${{ secrets.DOCKER_USER }}/libnovel-caddy
-          bake-target: caddy
-          tags: |
-            type=semver,pattern={{version}}
-            type=semver,pattern={{major}}.{{minor}}
-            type=raw,value=latest
-
-      # ── Build + push all images in parallel ───────────────────────────────────
       - name: Build and push all images
         uses: docker/bake-action@v6
         with:
-          files: |
-            docker-bake.hcl
-            ${{ steps.meta-backend.outputs.bake-file }}
-            ${{ steps.meta-runner.outputs.bake-file }}
-            ${{ steps.meta-pocketbase.outputs.bake-file }}
-            ${{ steps.meta-ui.outputs.bake-file }}
-            ${{ steps.meta-caddy.outputs.bake-file }}
+          files: docker-bake.hcl
           set: |
-            backend.args.VERSION=${{ steps.meta-backend.outputs.version }}
-            backend.args.COMMIT=${{ gitea.sha }}
-            runner.args.VERSION=${{ steps.meta-runner.outputs.version }}
-            runner.args.COMMIT=${{ gitea.sha }}
-            ui.args.BUILD_TIME=${{ gitea.event.head_commit.timestamp }}
             *.output=type=image,push=true
+        env:
+          GIT_TAG: ${{ gitea.ref_name }}
+          COMMIT: ${{ gitea.sha }}
+          BUILD_TIME: ${{ gitea.event.head_commit.timestamp }}
 
   # ── deploy: sync docker-compose.yml + restart prod ───────────────────────────
   # Runs after all images are pushed to Docker Hub.
@@ -295,7 +234,7 @@ jobs:
             "${{ secrets.PROD_USER }}@${{ secrets.PROD_HOST }}" \
             'set -euo pipefail
              cd /opt/libnovel
-             doppler run -- docker compose pull
+             doppler run -- docker compose pull backend runner ui caddy pocketbase
              doppler run -- docker compose up -d --remove-orphans'
 
   # ── Gitea release ─────────────────────────────────────────────────────────────

docker-bake.hcl

@@ -1,43 +1,40 @@
 # docker-bake.hcl — defines all five production images.
 #
-# Used by CI (docker/bake-action) to build and push all images in one call,
-# with shared BuildKit cache and maximum parallelism:
-#   - backend, runner, pocketbase share the Go builder stage (built once)
-#   - caddy and ui build independently in parallel alongside the Go targets
+# Uses only plain variables for broad buildx compatibility (no locals/functions).
+# CI pre-computes VERSION and MAJOR_MINOR from the git tag and passes them as
+# env vars.  Locally, everything gets a :dev tag.
 #
 # Local build (no push):
 #   docker buildx bake
 #
-# CI sets per-target tags and labels via --set overrides in docker/bake-action.
+# CI passes: DOCKER_USER, VERSION, MAJOR_MINOR, COMMIT, BUILD_TIME
 
-# ── Variables injected by CI via --set ───────────────────────────────────────
-
-variable "DOCKER_USER" { default = "kalekber" }
-
-variable "VERSION"    { default = "dev" }
-variable "COMMIT"     { default = "unknown" }
-variable "BUILD_TIME" { default = "" }
+variable "DOCKER_USER"  { default = "kalekber" }
+variable "VERSION"      { default = "dev" }    # e.g. "4.1.6"  (no leading v)
+variable "MAJOR_MINOR"  { default = "dev" }    # e.g. "4.1"
+variable "COMMIT"       { default = "unknown" }
+variable "BUILD_TIME"   { default = "" }
 
 # ── Shared defaults ───────────────────────────────────────────────────────────
 
-# All targets inherit these.  CI overrides tags/labels per-target via --set.
 target "_defaults" {
-  pull   = true
-  output = ["type=image,push=false"]
-}
-
-# Registry cache shared across all targets in a run.
-target "_cache" {
+  pull     = true
+  # CI overrides to push=true via --set *.output=type=image,push=true
+  output   = ["type=image,push=false"]
   cache-to = ["type=inline"]
 }
 
 # ── Go targets (share the backend/ build context + builder stage) ─────────────
 
 target "backend" {
-  inherits  = ["_defaults", "_cache"]
-  context   = "backend"
-  target    = "backend"
-  tags      = ["${DOCKER_USER}/libnovel-backend:latest"]
+  inherits   = ["_defaults"]
+  context    = "backend"
+  target     = "backend"
+  tags       = [
+    "${DOCKER_USER}/libnovel-backend:${VERSION}",
+    "${DOCKER_USER}/libnovel-backend:${MAJOR_MINOR}",
+    "${DOCKER_USER}/libnovel-backend:latest",
+  ]
   cache-from = ["type=registry,ref=${DOCKER_USER}/libnovel-backend:latest"]
   args = {
     VERSION = VERSION
@@ -46,10 +43,14 @@ target "backend" {
 }
 
 target "runner" {
-  inherits  = ["_defaults", "_cache"]
-  context   = "backend"
-  target    = "runner"
-  tags      = ["${DOCKER_USER}/libnovel-runner:latest"]
+  inherits   = ["_defaults"]
+  context    = "backend"
+  target     = "runner"
+  tags       = [
+    "${DOCKER_USER}/libnovel-runner:${VERSION}",
+    "${DOCKER_USER}/libnovel-runner:${MAJOR_MINOR}",
+    "${DOCKER_USER}/libnovel-runner:latest",
+  ]
   cache-from = ["type=registry,ref=${DOCKER_USER}/libnovel-runner:latest"]
   args = {
     VERSION = VERSION
@@ -58,19 +59,27 @@ target "runner" {
 }
 
 target "pocketbase" {
-  inherits  = ["_defaults", "_cache"]
-  context   = "backend"
-  target    = "pocketbase"
-  tags      = ["${DOCKER_USER}/libnovel-pocketbase:latest"]
+  inherits   = ["_defaults"]
+  context    = "backend"
+  target     = "pocketbase"
+  tags       = [
+    "${DOCKER_USER}/libnovel-pocketbase:${VERSION}",
+    "${DOCKER_USER}/libnovel-pocketbase:${MAJOR_MINOR}",
+    "${DOCKER_USER}/libnovel-pocketbase:latest",
+  ]
   cache-from = ["type=registry,ref=${DOCKER_USER}/libnovel-pocketbase:latest"]
 }
 
 # ── UI (SvelteKit — separate context) ────────────────────────────────────────
 
 target "ui" {
-  inherits  = ["_defaults", "_cache"]
-  context   = "ui"
-  tags      = ["${DOCKER_USER}/libnovel-ui:latest"]
+  inherits   = ["_defaults"]
+  context    = "ui"
+  tags       = [
+    "${DOCKER_USER}/libnovel-ui:${VERSION}",
+    "${DOCKER_USER}/libnovel-ui:${MAJOR_MINOR}",
+    "${DOCKER_USER}/libnovel-ui:latest",
+  ]
   cache-from = ["type=registry,ref=${DOCKER_USER}/libnovel-ui:latest"]
   args = {
     BUILD_VERSION = VERSION
@@ -83,9 +92,13 @@ target "ui" {
 # ── Caddy (custom plugins — separate context) ─────────────────────────────────
 
 target "caddy" {
-  inherits  = ["_defaults", "_cache"]
-  context   = "caddy"
-  tags      = ["${DOCKER_USER}/libnovel-caddy:latest"]
+  inherits   = ["_defaults"]
+  context    = "caddy"
+  tags       = [
+    "${DOCKER_USER}/libnovel-caddy:${VERSION}",
+    "${DOCKER_USER}/libnovel-caddy:${MAJOR_MINOR}",
+    "${DOCKER_USER}/libnovel-caddy:latest",
+  ]
   cache-from = ["type=registry,ref=${DOCKER_USER}/libnovel-caddy:latest"]
 }
 

docker-compose.yml

@@ -96,7 +96,7 @@ services:
 
   # ─── Meilisearch (full-text search) ──────────────────────────────────────────
   meilisearch:
-    image: getmeili/meilisearch:latest
+    image: getmeili/meilisearch:v1.40.0
     restart: unless-stopped
     environment:
       MEILI_MASTER_KEY: "${MEILI_MASTER_KEY}"

justfile

@@ -63,7 +63,7 @@ build-push: build push
 
 # Pull all images from Docker Hub (uses GIT_TAG from Doppler)
 pull-images:
-    {{doppler}} docker compose pull backend runner ui caddy
+    {{doppler}} docker compose pull backend runner ui caddy pocketbase
 
 # Pull all third-party base images (minio, pocketbase, etc.)
 pull-infra: