From 8b28d7eb39ad89ba9336a720d98dc5aad4dc499c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20D=C3=BCren?=
 <andreasdueren@Andreass-Mac-mini.local>
Date: Fri, 14 Mar 2025 23:41:56 +0100
Subject: [PATCH] Fix permission issues with go.mod by using a writable copy

---
 Dockerfile |  8 ++++++--
 start.sh   | 18 ++++++++++++++----
 2 files changed, 20 insertions(+), 6 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 105f98a..a7ff0d8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -98,14 +98,18 @@ WORKDIR /app/code
 
 # Clone the ente repository during build (for the Museum server)
 RUN git clone --depth=1 https://github.com/ente-io/ente.git . && \
-    sed -i 's/go 1.23/go 1.24.1/' server/go.mod
+    sed -i 's/go 1.23/go 1.24.1/' server/go.mod && \
+    mkdir -p /app/data/go && \
+    cp -r server/go.mod server/go.sum /app/data/go/ && \
+    chmod 777 /app/data/go/go.mod /app/data/go/go.sum
 
 # Set Go environment variables
 ENV GOTOOLCHAIN=local
 ENV GO111MODULE=on
-ENV GOFLAGS="-mod=mod"
+ENV GOFLAGS="-modfile=/app/data/go/go.mod -mod=mod"
 ENV PATH="/usr/local/go/bin:${PATH}"
 ENV GOSUMDB=off
+ENV GOMODCACHE="/app/data/go/pkg/mod"
 
 # Copy the web app built files from the first stage
 COPY --from=web-builder /build/web/photos /app/web/photos
diff --git a/start.sh b/start.sh
index 53087f3..e3c46c7 100644
--- a/start.sh
+++ b/start.sh
@@ -318,7 +318,7 @@ if [ -x "$(command -v go)" ]; then
         # Don't try to modify the go.mod file since filesystem is read-only
         # Instead, use environment variables to override version requirements
         echo "==> Setting Go flags to override version requirements"
-        export GOFLAGS="-mod=mod"
+        export GOFLAGS="-modfile=/app/data/go/go.mod -mod=mod"
         export GO111MODULE=on
         export GOTOOLCHAIN=local
     fi
@@ -354,8 +354,18 @@ export GOPATH=/app/data/go
 export GO111MODULE=on
 # Use local toolchain to avoid downloading required version
 export GOTOOLCHAIN=local
+
+# Ensure go.mod is in the writable directory
+if [ ! -f "/app/data/go/go.mod" ] && [ -f "$SERVER_DIR/go.mod" ]; then
+    echo "==> Copying go.mod and go.sum to writable location"
+    mkdir -p /app/data/go
+    cp -f "$SERVER_DIR/go.mod" "$SERVER_DIR/go.sum" /app/data/go/ || echo "==> Warning: Could not copy go.mod/go.sum"
+    chmod 666 /app/data/go/go.mod /app/data/go/go.sum || echo "==> Warning: Could not set permissions"
+fi
+
 # Override version requirements and force module mode
-export GOFLAGS="-mod=mod -modcacherw"
+export GOFLAGS="-modfile=/app/data/go/go.mod -mod=mod -modcacherw"
+
 # Create a temporary directory for Go module cache and build in writable area
 export GOCACHE=/app/data/go/cache
 export GOMODCACHE=/app/data/go/modcache
@@ -433,7 +443,7 @@ elif [ -d "$SERVER_DIR/cmd/museum" ]; then
     
     # Instead of modifying go.mod, set environment variables for compatibility
     echo "==> Setting Go environment variables for compatibility"
-    export GOFLAGS="-mod=mod -modcacherw"
+    export GOFLAGS="-modfile=/app/data/go/go.mod -mod=mod -modcacherw"
     # Use local toolchain to avoid downloading required version
     export GOTOOLCHAIN=local
     
@@ -513,7 +523,7 @@ else
         
         # Instead of trying to modify go.mod, set environment variables for compatibility
         echo "==> Setting Go environment variables for compatibility"
-        export GOFLAGS="-mod=mod -modcacherw"
+        export GOFLAGS="-modfile=/app/data/go/go.mod -mod=mod -modcacherw"
         export GOTOOLCHAIN=local
         
         echo "==> Running main.go with Go"