Merge pull request #1 from ISISComputingGroup/containerfile

Containerfile

Author: rerpha

Containerfile

@@ -0,0 +1,14 @@
+FROM python:3
+
+WORKDIR /usr/src/app
+
+COPY pyproject.toml ./
+
+RUN pip install --no-cache-dir .
+
+# Expose ports for kafka, EPICS CA, EPICS PVA
+EXPOSE 9092 5064 5065 5075 5076
+
+COPY . .
+
+ENTRYPOINT  ["python", "./forwarder_launch.py"]

README.md

@@ -67,6 +67,12 @@ Only non-TLS channels (`SASL_PLAINTEXT`) are currently supported.
 The SASL mechanism can be specified as part of the username/broker string as follows: `sasl_mechanism\username@broker:port/topic`.
 Example: `SCRAM-SHA-256\[email protected]:9092/topic`.
 
+### Running in container
+To build the forwarder for use within a container, use `docker build . --tag forwarder:latest`.
+
+To use the container run `docker run -it forwarder:latest` followed by your options ie. 
+`docker run -it forwarder:latest --config-topic mybroker:9092/configTopic . . . `
+
 ## Configuring EPICS PVs to be forwarded
 
 Adding or removing PVs to be forwarded is done by publishing configuration change messages to the configuration

changes.md

@@ -6,6 +6,7 @@
 * Adopt pip-tools to manage requirements.txt files
 * Refactor statistics reporter to support dynamically added metrics
 * Add latency and per-PV graphite metrics
+* Add containerfile
 
 ## v2.1.0
 

pyproject.toml

@@ -14,7 +14,7 @@ dependencies = [
     "p4p",
     "confluent_kafka",
     "graphyte",
-    "numpy >= 1.21",
+    "numpy >= 1.21, <2.0",
     "ConfigArgParse",
     "ess-streaming-data-types",
     "tomli",