diff --git a/Dockerfile b/Dockerfile
index 681677b..6b8b1a5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,5 @@
 FROM python:3.12
 
-ENV AS_HDF5_MASTER_FILE=/share_data/datasets_full/minimalInsulinMX1/030/testcrystal_0014_master.h5
 ENV POETRY_VERSION=1.8.3
 
 # Install OS packages
@@ -12,7 +11,7 @@ RUN useradd -ms /bin/bash asuser
 WORKDIR /home/asuser/
 
 # Setup Poetry environment
-COPY pyproject.toml poetry.lock /home/asuser/
+COPY pyproject.toml poetry.lock README.md /home/asuser/
 RUN pip install "poetry==$POETRY_VERSION"
 RUN poetry config virtualenvs.create false
 RUN poetry install
diff --git a/README.md b/README.md
index 029cad2..5e628a8 100644
--- a/README.md
+++ b/README.md
@@ -32,12 +32,16 @@ Follow these steps to run the simulated SIMPLON API and ensure its proper functi
      ```
      For other operating systems, Install the equivalent libraries for `gcc` and `libhdf5-serial-dev`.
 
-2. **Set the HDF5 File Path**
+2. **(Optional) Set the HDF5 File Path**
 
-   Before running the API, set the `AS_HDF5_MASTER_FILE` environment variable using the following command:
+   The master file used by simplon API can be specified via the `AS_HDF5_MASTER_FILE` environment variable:
    ```bash
    export HDF5_MASTER_FILE=/path/to/HDF5_master_file
    ```
+   If ``AS_HDF5_MASTER_FILE`` is not specified, the default master file included in this repo is used (`example_1_master.h5`)
+
+   Additionally, the master file can also be set dynamically during runtime using the ANSTO endpoints:
+   `/ansto_endpoints/hdf5_master_file` (see the swagger documentation for more information)
 
 3. **Run the FAST-API application**
       ```bash
@@ -68,4 +72,4 @@ After running this script, you should see messages being received by the `receiv
 [Stream V2]: https://github.com/dectris/documentation/tree/main/stream_v2
 
 ## Documentation
-You can see the endpoints currently implemented by accessing the interactive API documentation at [http://localhost:8000/docs](http://localhost:8000/docs). Ensure that the simulated SIMPLON API is up and running to access the documentation.
+You can see the endpoints currently implemented by accessing the interactive API documentation at [http://localhost:8000/swagger](http://localhost:8000/swagger). Ensure that the simulated SIMPLON API is up and running to access the documentation.
diff --git a/ansto_simplon_api/config.py b/ansto_simplon_api/config.py
index 79afffa..9f454c0 100644
--- a/ansto_simplon_api/config.py
+++ b/ansto_simplon_api/config.py
@@ -56,6 +56,9 @@ class ZMQStreamSettings(BaseSettings):
         GetPydanticSchema(lambda _, _h: _h.generate_schema(FilePath)),
     ] = Field(
         title="HDF5 Master File",
+        default=os_realpath(
+            os_joinpath(CUR_DIR, "master_file_examples", "example_1_master.h5")
+        ),
     )
     DELAY_BETWEEN_FRAMES: float = Field(
         title="Delay Between Frames",
diff --git a/ansto_simplon_api/master_file_examples/example_1_data_000001.h5 b/ansto_simplon_api/master_file_examples/example_1_data_000001.h5
new file mode 100644
index 0000000..e9c6087
Binary files /dev/null and b/ansto_simplon_api/master_file_examples/example_1_data_000001.h5 differ
diff --git a/ansto_simplon_api/master_file_examples/example_1_master.h5 b/ansto_simplon_api/master_file_examples/example_1_master.h5
new file mode 100644
index 0000000..e1b4e90
Binary files /dev/null and b/ansto_simplon_api/master_file_examples/example_1_master.h5 differ
diff --git a/docker-compose.yml b/docker-compose.yml
index f0fbdd0..65cca05 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -13,7 +13,9 @@ services:
       - "AS_ZMQ_ADDRESS=tcp://*:5555"
       #To access the masterfile, you can either copy it to the container by modifying
       # the dockerfile, or you can mount a volume containing the masterfile.
-      - "AS_HDF5_MASTER_FILE=/path/to/HDF5_master_file"
+      # If the AS_HDF5_MASTER_FILE is not  specified, the default mastef file included
+      # in this repos is used (example_1_master.h5)
+      #- "AS_HDF5_MASTER_FILE=/path/to/HDF5_master_file"
       - "AS_DELAY_BETWEEN_FRAMES=0.0" # seconds
       - "AS_NUMBER_OF_DATA_FILES=1" # 2 seems to be the maximum number of files we can load into memory (16M data)
       - "AS_NUMBER_OF_FRAMES_PER_TRIGGER=30"
diff --git a/pyproject.toml b/pyproject.toml
index 88b3064..a48ffb9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "ansto-simplon-api"
-version = "0.3.0"
+version = "0.3.1"
 description = "Simulated simplon api"
 authors = [
   "Francisco Hernandez Vivanco <hernandf@ansto.gov.au>",