add echopype.yml

Author: eeholmes

.github/workflows/docker-image-echopype.yml

@@ -0,0 +1,30 @@
+name: Docker Image CI echopype
+
+on:
+  workflow_dispatch: null
+  push:
+    branches: main
+    paths: 
+      - 'images/echopype/**'
+      - '.github/workflows/docker-image-echopype.yml'
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions: write-all
+    steps:
+      - uses: actions/checkout@v3
+      - name: Login to GitHub Container Registry
+        if: github.repository == 'nmfs-opensci/container-images'
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{github.actor}}
+          password: ${{secrets.GITHUB_TOKEN}}
+      - name: Build the Docker image
+        if: github.repository == 'nmfs-opensci/container-images'
+        run: |
+          docker build images/echopype -f images/echopype/Dockerfile  --tag ghcr.io/nmfs-opensci/container-images/echopype:latest
+      - name: Publish
+        if: github.repository == 'nmfs-opensci/container-images'
+        run: |
+          docker push ghcr.io/nmfs-opensci/container-images/echopype:latest

images/echopype/Dockerfile

@@ -0,0 +1,4 @@
+FROM openscapes/python:4f340eb
+
+RUN conda install -c conda-forge cmocean
+RUN conda install -c conda-forge echopype