sqlite wal mode setup for litefs

other/Dockerfile

@@ -55,10 +55,14 @@ ENV DATABASE_FILENAME="sqlite.db"
 ENV DATABASE_PATH="$LITEFS_DIR/$DATABASE_FILENAME"
 ENV DATABASE_URL="file:$DATABASE_PATH"
 ENV CACHE_DATABASE_FILENAME="cache.db"
-ENV CACHE_DATABASE_PATH="/$LITEFS_DIR/$CACHE_DATABASE_FILENAME"
+ENV CACHE_DATABASE_PATH="$LITEFS_DIR/$CACHE_DATABASE_FILENAME"
 ENV INTERNAL_PORT="8080"
 ENV PORT="8081"
 ENV NODE_ENV="production"
+# For WAL support: https://github.com/prisma/prisma-engines/issues/4675#issuecomment-1914383246
+# PR to enable WAL mode for litefs: https://github.com/epicweb-dev/epic-stack/pull/621
+# good explainer of WAL mode: https://www.mycelial.com/learn/sqlite-journal-mode-options
+ENV PRISMA_SCHEMA_DISABLE_ADVISORY_LOCK = "1"
 
 # add shortcut for connecting to database CLI
 RUN echo "#!/bin/sh\nset -x\nsqlite3 \$DATABASE_URL" > /usr/local/bin/database-cli && chmod +x /usr/local/bin/database-cli
@@ -70,13 +74,12 @@ COPY --from=build /myapp/node_modules/.prisma /myapp/node_modules/.prisma
 
 COPY --from=build /myapp/server-build /myapp/server-build
 COPY --from=build /myapp/build /myapp/build
-COPY --from=build /myapp/public /myapp/public
 COPY --from=build /myapp/package.json /myapp/package.json
 COPY --from=build /myapp/prisma /myapp/prisma
 COPY --from=build /myapp/app/components/ui/icons /myapp/app/components/ui/icons
 
 # prepare for litefs
-COPY --from=flyio/litefs:0.5.8 /usr/local/bin/litefs /usr/local/bin/litefs
+COPY --from=flyio/litefs:0.5.11 /usr/local/bin/litefs /usr/local/bin/litefs
 ADD other/litefs.yml /etc/litefs.yml
 RUN mkdir -p /data ${LITEFS_DIR}
 

other/litefs.yml

@@ -55,4 +55,5 @@ exec:
 # it has led mainly to starting over from scratch
 # this is why the deploy action was commented out in deploy.yml for so long
 # going to try this out and see if it helps
+# enabling WAL mode for sqlite db may have had an effect on this, proceed to monitor
 exit-on-error: true