From c4cd716dae5ee730a91933e9b46f8e2047b4fc27 Mon Sep 17 00:00:00 2001
From: Marc Mintel <marc@mintel.me>
Date: Sun, 8 Feb 2026 13:06:55 +0100
Subject: [PATCH] perf: optimize docker build with pnpm cache mounts and less
 aggressive pruning

---
 .gitea/workflows/deploy.yml |  2 +-
 Dockerfile                  | 12 +++++++++---
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/.gitea/workflows/deploy.yml b/.gitea/workflows/deploy.yml
index 1f8cedc..3d7260f 100644
--- a/.gitea/workflows/deploy.yml
+++ b/.gitea/workflows/deploy.yml
@@ -44,7 +44,7 @@ jobs:
         shell: bash
         run: |
           docker image prune -f || true
-          docker builder prune -f --filter "until=24h" || true
+          docker builder prune -f --filter "until=168h" || true
 
       - name: Checkout repository
         uses: actions/checkout@v4
diff --git a/Dockerfile b/Dockerfile
index 0527aa0..02153b0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,12 +20,18 @@ ENV SENTRY_SUPPRESS_TURBOPACK_WARNING=1
 # Enable pnpm
 RUN corepack enable
 
-# Copy workspace configuration
+# Set pnpm home and store directory for caching
+ENV PNPM_HOME="/pnpm"
+ENV PATH="$PNPM_HOME:$PATH"
+RUN mkdir -p /pnpm/store
+
+# Copy workspace configuration and manifests for better caching
 COPY pnpm-lock.yaml pnpm-workspace.yaml package.json .npmrc ./
 COPY apps/web/package.json ./apps/web/package.json
 
-# Install dependencies (use cache mount if possible, but keep it simple as per standard)
-RUN pnpm install --no-frozen-lockfile
+# Install dependencies with cache mount
+RUN --mount=type=cache,id=pnpm,target=/pnpm/store \
+    pnpm install --frozen-lockfile
 
 # Copy source
 COPY . .