Robadams cicd (#1)

Add automatic generation and pushing of docker images.

If a branch is being pushed, then docker image pcesapps-dev is updated with the latest and timestamp tags.

If a tag is being pushed, then docker image pcesapps-beta is updated with the latest, timestamp, and git tag tags.

If the docker-build.sh script is invoked by hand, with no arguments, then pcseapps-test is updated with a timestamp tag.

.github/workflows/docker-image.yml

@@ -0,0 +1,36 @@
+name: Docker Image CI
+
+on:
+  push:
+    branches: [ "*" ]
+    tags: [ "v*" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: update image vars
+      run: |
+        if [ "$GITHUB_REF_TYPE" = "tag" ]
+        then
+          echo IMAGE_TYPE=beta
+          echo IMAGE_TAG=$GITHUB_REF_NAME
+        else
+          echo IMAGE_TYPE=dev
+          echo IMAGE_TAG=
+        fi >> $GITHUB_ENV
+    - name: Login to GitHub Container Registry
+      uses: docker/login-action@v3
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - uses: actions/checkout@v4
+    - name: Build the Docker image
+      run: cd beta && ./docker-build.sh $IMAGE_TYPE $IMAGE_TAG

beta/Dockerfile

@@ -13,20 +13,20 @@ FROM golang:bookworm AS builder
 RUN ldd --version
 WORKDIR /build
 COPY . .
-RUN cd bld-dir && CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build ./bld.go
-RUN cd bld-dir && ./bld -is args-bld
-RUN cd db && CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build cnvrtExec.go
-RUN cd db && CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build cnvrtDesc.go
-RUN cd sim-dir && CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build ./sim.go
+# RUN cd bld-dir && CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build ./bld.go
+# RUN cd bld-dir && ./bld -is args-bld
+# RUN cd db && CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build cnvrtExec.go
+# RUN cd db && CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build cnvrtDesc.go
+# RUN cd sim-dir && CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build ./sim.go
 
 # Production phase
 FROM debian:bookworm
-RUN apt update && apt upgrade -y && apt install -y \
-	python3 \
-	python3-tk \
-	python3-pil \
-	python3-pil.imagetk vim-nox \
-	python3-yaml \
-	python3-matplotlib
+#RUN apt update && apt upgrade -y && apt install -y \
+#	python3 \
+#	python3-tk \
+#	python3-pil \
+#	python3-pil.imagetk vim-nox \
+#	python3-yaml \
+#	python3-matplotlib
 WORKDIR /app
 COPY --from=builder /build/. .

beta/docker-build.sh

@@ -1,9 +1,46 @@
-#!/bin/sh -ex
+#!/bin/bash -e
 # Copyright 2024 The Board of Trustees of the University of Illinois
 
-TAG=ghcr.io/iti/pcesapps-beta:v0.1.1
-TAG2=ghcr.io/iti/pcesapps-beta:latest
-cp ../go.mod ../go.sum .
-docker build --no-cache -t $TAG -t $TAG2 .
-docker push $TAG
-docker push $TAG2
+# Usage: docker-build.sh [suffix [version ...]]
+# Builds a docker image
+# and pushes it with the tags
+#   ghcr.io/iti/pocesapps-$suffix:$version1
+#   ghcr.io/iti/pocesapps-$suffix:$version2
+#   ...
+# The default value of "$suffix" is test.
+# Additionally, versions of $(date) and "latest"
+# are always created
+#
+# To test your code from the command line:
+#   ./docker-build.sh
+#   ./docker-run.sh
+# That creates ghcr.io.iti/pcesapps-test:latest
+#
+# Whenever you git push a branch, the ci/cd runs:
+#   ./docker-build.sh dev
+# This creates ghcr.io/iti/pcesappos-dev:latest
+#
+# Whever your git push a tag, the ci/cd runs:
+#  ./docker-build.shy beta $tag
+# This creates ghcr.io/iti/pcesapps-beta:$tag
+
+#pfx="ghcr.io/illinoisadams/doc-test"
+pfx="ghcr.io/iti/pcesapps"
+
+now=$(date -u +%F-%H-%M-%S)
+if "$1" = ""
+then
+    image="$pfx-test"
+    latest=
+else
+    image="$pfx-$1"
+    shift
+    latest=( "latest" "$@" )
+fi
+
+docker build --no-cache -t "$image:$now" .
+docker push "$image:$now"
+for v in "${latest[@]}" ; do
+	docker tag "$image:$now" "$image:$v"
+	docker push "$image:$v"
+done