diff --git a/.env.example b/.env.example
index e21e65c..1ec0651 100644
--- a/.env.example
+++ b/.env.example
@@ -4,3 +4,10 @@
 ABOGEN_SETTINGS_DIR=./config
 ABOGEN_TEMP_DIR=./storage/tmp
 ABOGEN_OUTPUT_DIR=./storage/output
+
+# UID/GID used when running the Docker container. 1000:1000 matches most Linux hosts.
+# Find your current values with:
+#   id -u   # UID
+#   id -g   # GID
+ABOGEN_UID=1000
+ABOGEN_GID=1000
diff --git a/README.md b/README.md
index d288fab..aeec516 100644
--- a/README.md
+++ b/README.md
@@ -50,12 +50,23 @@ Browse to http://localhost:8808. Uploaded source files are stored in `/data/uplo
 | `ABOGEN_DEBUG` | `false` | Enable Flask debug mode |
 | `ABOGEN_UPLOAD_ROOT` | `/data/uploads` | Directory where uploaded files are stored |
 | `ABOGEN_OUTPUT_ROOT` | `/data/outputs` | Directory for generated audio and subtitles |
+| `ABOGEN_UID` | `1000` | UID that the container should run as (matches host user) |
+| `ABOGEN_GID` | `1000` | GID that the container should run as (matches host group) |
 | `ABOGEN_TEMP_DIR` | Platform cache dir (e.g. `~/.cache/abogen`) | Override the cache/temp directory |
 | `ABOGEN_OUTPUT_DIR` | Same as `ABOGEN_OUTPUT_ROOT` | Override the rendered output directory |
 | `ABOGEN_SETTINGS_DIR` | Platform config dir (e.g. `~/.config/abogen`) | Override where JSON settings (profiles, config) are stored |
 
 Set any of these with `-e VAR=value` when starting the container.
 
+To discover your local UID/GID for matching file permissions inside the container, run:
+
+```bash
+id -u
+id -g
+```
+
+Use those values to populate `ABOGEN_UID` / `ABOGEN_GID` in your `.env` file.
+
 ### Docker Compose (GPU by default)
 The repo includes `docker-compose.yaml`, which targets GPU hosts out of the box. Install the NVIDIA Container Toolkit and run:
 
diff --git a/docker-compose.yaml b/docker-compose.yaml
index e856208..3564a48 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -7,6 +7,7 @@ services:
         TORCH_INDEX_URL: ${TORCH_INDEX_URL:-https://download.pytorch.org/whl/cu124}
         TORCH_VERSION: ${TORCH_VERSION:-}
     image: abogen:latest
+    user: "${ABOGEN_UID:-1000}:${ABOGEN_GID:-1000}"
     ports:
       - "${ABOGEN_PORT:-8808}:8808"
     volumes: