knelperf: solver/stats workbench stack (4 containers)

KNELPerf-ortools/-julia/-minizinc/-r, pinned images, shared
workspace volume. First customer: Ultix scheduler CP-SAT models.

Redmine: https://projects.knownelement.com/issues/927

knelperf/docker-compose.yml

@@ -0,0 +1,41 @@
+# KNELPerf — performance-organization compute workbench [#927]
+# Statistics + constraint-solving for fleet perf analysis (Ultix scheduler
+# redesign first customer). Founder-directed naming: KNELPerf- prefix.
+# Images are pinned versions (never :latest). Storage in named volumes.
+name: knelperf
+
+services:
+  ortools:
+    image: python:3.12.7-slim
+    container_name: KNELPerf-ortools
+    command: bash -c "pip install --no-cache-dir --root-user-action=ignore 'ortools==9.11.4210' 'pandas==2.2.3' 'numpy==2.1.3' && sleep infinity"
+    volumes:
+      - knelperf-workspace:/workspace
+    restart: unless-stopped
+
+  julia:
+    image: julia:1.10.9
+    container_name: KNELPerf-julia
+    command: bash -c "julia -e 'using Pkg; Pkg.add([\"JuMP\",\"HiGHS\",\"DataFrames\",\"StatsBase\",\"CSV\"])' && sleep infinity"
+    volumes:
+      - knelperf-workspace:/workspace
+    restart: unless-stopped
+
+  minizinc:
+    image: minizinc/minizinc:2.8.7
+    container_name: KNELPerf-minizinc
+    command: bash -c "minizinc --version && sleep infinity"
+    volumes:
+      - knelperf-workspace:/workspace
+    restart: unless-stopped
+
+  rstats:
+    image: rocker/r-ver:4.4.1
+    container_name: KNELPerf-r
+    command: bash -c "R -q -e 'install.packages(c(\"dplyr\",\"forecast\",\"lubridate\"), repos=\"https://cloud.r-project.org\")' && sleep infinity"
+    volumes:
+      - knelperf-workspace:/workspace
+    restart: unless-stopped
+
+volumes:
+  knelperf-workspace: