build them images

.dockerignore

@@ -0,0 +1,5 @@
+.idea/
+.git/
+.gitignore
+*-versions.jar
+Dockerfile*

.github/workflows/pushDocker.yml

@@ -1,8 +1,5 @@
-# This is a basic workflow to help you get started with Actions
-
 name: Build Image
 
-# Controls when the action will run. 
 on: 
   push:
     branches:
@@ -14,14 +11,9 @@ on:
       - build-images.sh
   workflow_dispatch:
 
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
-  # This workflow contains a single job called "build"
   build:
-    # The type of runner that the job will run on
     runs-on: ubuntu-latest
-
-    # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       - uses: actions/checkout@v3
       - name: Build and push

.gitignore

@@ -1,3 +1,4 @@
 .idea/
 /tmp/
-*.iml
+*.iml
+*.jar

Dockerfile

@@ -12,9 +12,6 @@ RUN cd /tmp \
 
 FROM $JAVA_BASE_IMAGE
 
-ARG SPONGE_VERSION="1.16.5-8.2.0"
-# "rc" or "release"
-ARG SPONGE_TYPE="rc"
 ENV MINECRAFT_DIR="/minecraft"
 
 RUN addgroup -g 1000 "minecraft" && adduser -u 1000 -D -G "minecraft" -h "${MINECRAFT_DIR}" "minecraft"
@@ -32,7 +29,7 @@ ENV SPONGE_JAR="${MINECRAFT_DIR}/sponge.jar" \
 # gettext: envsubst
 RUN apk add --update --no-cache curl bash gettext
 
-RUN curl -s -L -o "/sponge.jar" "https://repo.spongepowered.org/service/rest/v1/search/assets/download?sort=version&repository=maven-releases&maven.groupId=org.spongepowered&maven.artifactId=spongevanilla&maven.extension=jar&maven.classifier=universal&maven.baseVersion=${SPONGE_VERSION}"
+COPY sponge.jar /sponge.jar
 
 COPY --from=mcrcon /mcrcon /opt/mcrcon
 COPY mcrcon.sh /usr/local/bin/mcrcon

build-images.sh

@@ -1,17 +1,30 @@
 #!/usr/bin/env bash
 
+set -euo pipefail
+
 build_image() {
     local kind="${1?no kind}"
     local version="${2?no version}"
     local asset="${3?no asset}"
 
+    local sponge_jar_file="sponge.jar"
+    local download_url="$(curl -s "https://dl-api.spongepowered.org/v2/groups/org.spongepowered/artifacts/spongevanilla/versions/$asset" | jq -r '.assets | map(select(.classifier == "universal")) | first | .downloadUrl')"
+    curl -s -L -o "$sponge_jar_file" "$download_url"
+
     local repo_name="ghcr.io/cubeengine/sponge"
     local cache_repo="${repo_name}/cache"
     local image_name="${repo_name}:latest"
-    podman build -t "$image_name" --layers --cache-from="$cache_repo" --cache-to="$cache_repo" --timestamp 0 .
+    podman build \
+        -t "$image_name" \
+        --layers \
+        --cache-from="$cache_repo" \
+        --cache-to="$cache_repo" \
+        --timestamp 0 \
+        .
+    rm "$sponge_jar_file"
 
-    local tags=("$kind-$version" "$kind-$asset"
-    for t in "${tags}"
+    local tags=("$kind-$version" "$kind-$asset")
+    for t in "${tags[@]}"
     do
         local name="$repo_name:$t"
         podman tag "$image_name" "$name"
@@ -22,7 +35,14 @@ build_image() {
 build_images() {
     local kind="${1?no kind}"
 
+    local file="$kind-versions.json"
 
+    readarray -t versions <<< "$(jq -r 'to_entries | map(.key) | .[]' < $file)"
+    for version in "${versions[@]}"
+    do
+        local asset="$(jq -r --arg version "$version" '.[$version]' < $file)"
+        build_image "$kind" "$version" "$asset"
+    done
 }
 
 build_images minecraft