diff --git a/web/Dockerfile b/web/Dockerfile
index 40b3f57..40185cf 100644
--- a/web/Dockerfile
+++ b/web/Dockerfile
@@ -17,6 +17,7 @@ RUN pnpm install --ignore-scripts --lockfile=false
 COPY web/next.config.ts ./next.config.ts
 COPY web/tsconfig.json ./tsconfig.json
 COPY web/next-env.d.ts ./next-env.d.ts
+COPY web/postcss.config.mjs ./postcss.config.mjs
 COPY web/src/ ./src/
 COPY shared/ ../shared/
 
diff --git a/web/postcss.config.mjs b/web/postcss.config.mjs
new file mode 100644
index 0000000..61e3684
--- /dev/null
+++ b/web/postcss.config.mjs
@@ -0,0 +1,7 @@
+const config = {
+  plugins: {
+    "@tailwindcss/postcss": {},
+  },
+};
+
+export default config;