From 763f7bf60341b8b22268f838ce96339adeba942f Mon Sep 17 00:00:00 2001
From: "Aaron D. Lee" <aaron.daniel.lee@mgial.com>
Date: Mon, 5 Jan 2026 15:59:32 -0500
Subject: [PATCH] Fix Docker build: add .dockerignore, fix permissions
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- Add .dockerignore to exclude instance/, test_data/, rpi/, etc.
- Create instance/certs dirs in Dockerfile for volume mounts
- Ensures stego user can write to mounted volumes

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
---
 .dockerignore | 39 +++++++++++++++++++++++++++++++++++++++
 Dockerfile    |  4 ++--
 2 files changed, 41 insertions(+), 2 deletions(-)
 create mode 100644 .dockerignore

diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..02e831d
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,39 @@
+# Git
+.git
+.gitignore
+
+# Python
+__pycache__
+*.py[cod]
+*.egg-info
+.eggs
+venv/
+.venv/
+
+# Instance data (user creates fresh)
+frontends/web/instance/
+frontends/web/certs/
+instance/
+
+# Test data
+test_data/
+tests/
+
+# Pi-specific
+rpi/
+*.img
+*.img.zst
+*.img.zst.zip
+
+# Docs
+*.md
+docs/
+
+# IDE
+.vscode/
+.idea/
+
+# Misc
+*.log
+*.tmp
+.DS_Store
diff --git a/Dockerfile b/Dockerfile
index 8f7bf95..65f759a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -62,8 +62,8 @@ COPY src/ src/
 COPY data/ data/
 COPY frontends/web/ frontends/web/
 
-# Create upload directory
-RUN mkdir -p /tmp/stego_uploads
+# Create upload directory and instance directories (for volumes)
+RUN mkdir -p /tmp/stego_uploads /app/frontends/web/instance /app/frontends/web/certs
 
 # Create non-root user
 RUN useradd -m -u 1000 stego && chown -R stego:stego /app /tmp/stego_uploads