diff --git a/Containerfile b/Containerfile
index e573509..b153e0a 100644
--- a/Containerfile
+++ b/Containerfile
@@ -29,6 +29,7 @@ RUN TREK_TAG=$(fetch -qo - "${UPSTREAM_URL}" | jq -r .tag_name) && \
 RUN cd /build && \
     NODE_ENV=development npm ci && \
     npm run build --workspace=shared && \
+    npm run build --workspace=server && \
     cd client && \
     for spec in apple-touch-icon-180x180.png:180 icon-192x192.png:192 icon-512x512.png:512; do \
         name=${spec%:*}; size=${spec#*:}; \
@@ -92,7 +93,8 @@ ENV NODE_ENV=production \
     PORT=3000
 
 COPY root/ /
-RUN chmod +x /etc/services.d/trek/run /healthz
+RUN chmod +x /etc/services.d/trek/run /healthz && \
+    chmod 0644 /usr/local/share/trek/dom-polyfill.cjs
 
 EXPOSE 3000
 VOLUME /config
\ No newline at end of file
diff --git a/Containerfile.j2 b/Containerfile.j2
index 97163f1..77332de 100644
--- a/Containerfile.j2
+++ b/Containerfile.j2
@@ -23,6 +23,7 @@ RUN TREK_TAG=$(fetch -qo - "${UPSTREAM_URL}" | jq -r .tag_name) && \
 RUN cd /build && \
     NODE_ENV=development npm ci && \
     npm run build --workspace=shared && \
+    npm run build --workspace=server && \
     cd client && \
     for spec in apple-touch-icon-180x180.png:180 icon-192x192.png:192 icon-512x512.png:512; do \
         name=${spec%:*}; size=${spec#*:}; \
@@ -86,7 +87,8 @@ ENV NODE_ENV=production \
     PORT=3000
 
 COPY root/ /
-RUN chmod +x /etc/services.d/trek/run /healthz
+RUN chmod +x /etc/services.d/trek/run /healthz && \
+    chmod 0644 /usr/local/share/trek/dom-polyfill.cjs
 
 EXPOSE 3000
 VOLUME /config
diff --git a/compose.yaml b/compose.yaml
index b60e387..5ba1dc9 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -28,7 +28,6 @@ services:
     container_name: trek
     restart: unless-stopped
 
-
     environment:
       - PUID=1000
       - PGID=1000
diff --git a/root/etc/services.d/trek/run b/root/etc/services.d/trek/run
index e684820..d33bdf2 100755
--- a/root/etc/services.d/trek/run
+++ b/root/etc/services.d/trek/run
@@ -8,4 +8,6 @@ export PORT=3000
 # Signal readiness to CIT once the API answers
 s6-ready-when fetch -qo /dev/null http://localhost:3000/api/health
 
-exec /usr/local/bin/s6-setuidgid bsd /usr/local/bin/node --import tsx src/index.ts
+exec /usr/local/bin/s6-setuidgid bsd /usr/local/bin/node \
+    --require /usr/local/share/trek/dom-polyfill.cjs \
+    --require tsconfig-paths/register dist/index.js
diff --git a/root/usr/local/share/trek/dom-polyfill.cjs b/root/usr/local/share/trek/dom-polyfill.cjs
new file mode 100644
index 0000000..a54b789
--- /dev/null
+++ b/root/usr/local/share/trek/dom-polyfill.cjs
@@ -0,0 +1,9 @@
+// Canvas globals for pdf.js (bundled by pdf-parse). FreeBSD has no
+// @napi-rs/canvas native binding, so these are otherwise undefined and
+// pdf-parse throws "DOMMatrix is not defined" at import, crashing boot.
+if (typeof globalThis.DOMMatrix === 'undefined')
+  globalThis.DOMMatrix = class DOMMatrix { constructor(){ this.a=1;this.b=0;this.c=0;this.d=1;this.e=0;this.f=0; } };
+if (typeof globalThis.ImageData === 'undefined')
+  globalThis.ImageData = class ImageData { constructor(w,h){ this.width=w;this.height=h; } };
+if (typeof globalThis.Path2D === 'undefined')
+  globalThis.Path2D = class Path2D {};