add piper

piper/Dockerfile

@@ -0,0 +1,29 @@
+#
+# Dockerfile for piper
+#
+
+FROM debian:12
+MAINTAINER EasyPi Software Foundation
+
+ARG PIPER_VERSION=2023.11.14-2
+ARG PIPER_OS=linux
+ARG PIPER_ARCH=x86_64
+ARG PIPER_FILE=piper_${PIPER_OS}_${PIPER_ARCH}.tar.gz
+ARG PIPER_URL=https://github.com/rhasspy/piper/releases/download/${PIPER_VERSION}/${PIPER_FILE}
+
+ARG MODEL_BASE_URL=https://huggingface.co/rhasspy/piper-voices/resolve/v1.0.0/en/en_US/lessac/medium
+ARG MODEL_FILE=en_US-lessac-medium.onnx
+
+WORKDIR /opt/piper
+
+RUN set -xe \
+ && apt update -y \
+ && apt install -y curl \
+ && curl -sSL ${PIPER_URL} | tar xz --strip 1 \
+ && curl -sSL -O ${MODEL_BASE_URL}/${MODEL_FILE} \
+              -O ${MODEL_BASE_URL}/${MODEL_FILE}.json \
+ && ./piper --version \
+ && apt remove -y curl \
+ && rm -rf /var/lib/apt/lists/*
+
+ENTRYPOINT ["./piper", "-m", "en_US-lessac-medium.onnx", "-d", "/tmp"]