diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 00000000..374c4774
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,25 @@
+.git
+.gitignore
+.github
+
+__pycache__/
+*.pyc
+*.pyo
+*.pyd
+
+.pytest_cache/
+.mypy_cache/
+.ruff_cache/
+.venv/
+.ipynb_checkpoints/
+
+build/
+dist/
+*.egg-info/
+.eggs/
+
+checkpoints/
+outputs/
+*.pt
+*.pth
+*.ckpt
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 00000000..65d93562
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,34 @@
+FROM python:3.12-slim
+
+ARG TORCH_VERSION=2.7.0
+ARG TORCH_INDEX_URL=https://download.pytorch.org/whl/cu126
+ARG SAM3_EXTRAS=""
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PIP_DISABLE_PIP_VERSION_CHECK=1 \
+    PIP_NO_CACHE_DIR=1
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+        build-essential \
+        ca-certificates \
+        git \
+        libgl1 \
+        libglib2.0-0 \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+# Install torch early to leverage Docker layer caching.
+RUN python -m pip install --upgrade pip \
+    && pip install torch==${TORCH_VERSION} torchvision torchaudio --index-url ${TORCH_INDEX_URL}
+
+COPY . /app
+
+RUN if [ -n "${SAM3_EXTRAS}" ]; then \
+        pip install -e ".[${SAM3_EXTRAS}]"; \
+    else \
+        pip install -e .; \
+    fi
+
+CMD ["bash"]
diff --git a/README.md b/README.md
index 669242df..ff09390f 100644
--- a/README.md
+++ b/README.md
@@ -95,6 +95,33 @@ pip install -e ".[notebooks]"
 pip install -e ".[train,dev]"
 ```
 
+### Docker (GPU)
+
+Build the image (defaults to CUDA 12.6 wheels):
+
+```bash
+docker build -t sam3:latest .
+```
+
+Run with GPU access:
+
+```bash
+docker run --gpus all -it --rm \
+  -v "$(pwd)":/app \
+  -v "$HOME/.cache/huggingface":/root/.cache/huggingface \
+  sam3:latest
+```
+
+Optional build args:
+
+```bash
+# CPU-only wheels
+docker build --build-arg TORCH_INDEX_URL=https://download.pytorch.org/whl/cpu -t sam3:cpu .
+
+# Install extras (comma-separated)
+docker build --build-arg SAM3_EXTRAS=train,dev -t sam3:train .
+```
+
 ## Getting Started
 
 ⚠️ Before using SAM 3, please request access to the checkpoints on the SAM 3
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 00000000..b89468ae
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,19 @@
+services:
+  sam3:
+    build:
+      context: .
+      args:
+        TORCH_VERSION: "2.7.0"
+        TORCH_INDEX_URL: "https://download.pytorch.org/whl/cu126"
+        SAM3_EXTRAS: ""
+    image: sam3:latest
+    working_dir: /app
+    volumes:
+      - .:/app
+      - ${HOME}/.cache/huggingface:/root/.cache/huggingface
+    environment:
+      HF_HOME: /root/.cache/huggingface
+    gpus: all
+    stdin_open: true
+    tty: true
+    command: bash