Converted mohist deployment to use image helper

Dockerfile

@@ -60,7 +60,7 @@ RUN easy-add --var os=${TARGETOS} --var arch=${TARGETARCH}${TARGETVARIANT} \
  --var version=0.1.1 --var app=maven-metadata-release --file {{.app}} \
  --from https://github.com/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz
 
-ARG MC_HELPER_VERSION=1.8.1
+ARG MC_HELPER_VERSION=1.9.0
 ARG MC_HELPER_BASE_URL=https://github.com/itzg/mc-image-helper/releases/download/v${MC_HELPER_VERSION}
 RUN curl -fsSL ${MC_HELPER_BASE_URL}/mc-image-helper-${MC_HELPER_VERSION}.tgz \
     | tar -C /usr/share -zxf - \

examples/docker-compose-mohist.yml

@@ -0,0 +1,17 @@
+version: "3.8"
+
+services:
+  mc:
+    image: itzg/minecraft-server
+    ports:
+      - "25565:25565"
+    environment:
+      EULA: "TRUE"
+      TYPE: MOHIST
+      VERSION: 1.12.2
+      DEBUG: "true"
+    volumes:
+      - data:/data
+
+volumes:
+  data: {}

start-deployMohist

@@ -1,17 +1,18 @@
 #!/bin/bash
 
-. ${SCRIPTS:-/}start-utils
+# shellcheck source=start-utils
+. "${SCRIPTS:-$(dirname "$0")}/start-utils"
 set -o pipefail
 set -e
 isDebugging && set -x
 
 requireVar VANILLA_VERSION
-: ${MOHIST_BUILD:=lastSuccessfulBuild}
+: "${MOHIST_BUILD:=lastSuccessfulBuild}"
 
 mohistJobs=https://ci.codemc.io/job/MohistMC/job/
 mohistJob=${mohistJobs}Mohist-${VANILLA_VERSION}/
 
-if ! curl -X HEAD -o /dev/null -fsSL "${mohistJob}"; then
+if ! get --exists "${mohistJob}"; then
   log "ERROR: mohist builds do not exist for ${VANILLA_VERSION}"
   log "       check https://ci.codemc.io/job/MohistMC/ for available versions"
   log "       and set VERSION accordingly"
@@ -19,8 +20,7 @@ if ! curl -X HEAD -o /dev/null -fsSL "${mohistJob}"; then
 fi
 
 buildRelPath=$(
-  curl -fsSL "${mohistJob}${MOHIST_BUILD}/api/json" |
-    jq -r '.artifacts[0].relativePath'
+  get --json-path '$.artifacts[0].relativePath' "${mohistJob}${MOHIST_BUILD}/api/json"
 )
 
 baseName=$(basename "${buildRelPath}")
@@ -33,11 +33,11 @@ fi
 
 export SERVER="/data/${baseName}"
 
-if [ ! -f ${SERVER} ]; then
+if [ ! -f "${SERVER}" ]; then
   log "Downloading ${baseName}"
-  curl -o "${SERVER}" -fsSL "${mohistJob}${MOHIST_BUILD}/artifact/${buildRelPath}"
+  get -o "${SERVER}" "${mohistJob}${MOHIST_BUILD}/artifact/${buildRelPath}"
 fi
 
 export SKIP_LOG4J_CONFIG=true
 
-exec ${SCRIPTS:-/}start-setupWorld "$@"
+exec "${SCRIPTS:-$(dirname "$0")}/start-setupWorld" "$@"