diff --git a/.woodpecker/build.yaml b/.woodpecker/build.yaml
index cd14abd..a6b572a 100644
--- a/.woodpecker/build.yaml
+++ b/.woodpecker/build.yaml
@@ -20,9 +20,13 @@ matrix:
     - PLATFORM: alpine-320
       BLOCK: 5881:length(pkgs)
       ARCH: arm64
+      NCPUS: 1
+      STRATEGY: sequential
     - PLATFORM: alpine-320
-      BLOCK: 4680:length(pkgs)
+      BLOCK: 1:length(pkgs)
       ARCH: amd64
+      NCPUS: 1
+      STRATEGY: sequential
 steps:
   - name: 'Build binaries (${PLATFORM}: ${BLOCK})'
     secrets: [red_hat_dev_pw, aws_access_key_id, aws_secret_access_key, pgpass, git_ro_token, GITHUB_PAT]
@@ -53,17 +57,25 @@ steps:
       # more complicated system dependencies which pak cannot resolve
       - mkdir -p /mnt/cache/pkgcache /mnt/cache/R-pkgs /mnt/cache/ccache /mnt/cache/packages
       # set additional repos: important as otherwise some packages cannot be resolved (e.g. INLA). Also: setting our own binary repos so we can make use of them for dep installation at some point
-      - R -q -e 'options(crayon.enabled = TRUE, Ncpus = 4, future.globals.onReference = NULL, repos = structure(c(getOption("repos"),INLA="https://inla.r-inla-download.org/R/stable"))); pkgs = tools::CRAN_package_db()[[1]]; pkgs = setdiff(pkgs[${BLOCK}], c("biplotbootGUI", "cncaGUI", "dynBiplotGUI", "ade4TkGUI", "BlockmodelingGUI", "cncaGUI", "EventDetectGUI", "irtGUI", "KappaGUI", "magickGUI", "miniGUI", "multibiplotGUI", "TextMiningGUI", "later", "RclusTool", "Rcmdr", "RcmdrMisc", "RcmdrPlugin.aRnova", "RcmdrPlugin.BiclustGUI", "RcmdrPlugin.BWS1", "RcmdrPlugin.BWS2", "RcmdrPlugin.BWS3", "RcmdrPlugin.cpd", "RcmdrPlugin.DCCV", "RcmdrPlugin.DCE", "RcmdrPlugin.depthTools", "RcmdrPlugin.DoE", "RcmdrPlugin.EACSPIR", "RcmdrPlugin.EBM", "RcmdrPlugin.EcoVirtual", "RcmdrPlugin.Export", "RcmdrPlugin.EZR",  "RcmdrPlugin.FactoMineR", "RcmdrPlugin.GWRM", "RcmdrPlugin.HH", "RcmdrPlugin.KMggplot2", "RcmdrPlugin.MA", "RcmdrPlugin.MPAStats", "RcmdrPlugin.NMBU", "RcmdrPlugin.orloca", "RcmdrPlugin.PcaRobust", "RcmdrPlugin.RiskDemo", "RcmdrPlugin.RMTCJags", "RcmdrPlugin.ROC", "RcmdrPlugin.sos" , "RcmdrPlugin.survival", "RcmdrPlugin.TeachingDemos", "RcmdrPlugin.TeachStat", "RcmdrPlugin.temis", "RcmdrPlugin.UCA", "RcmdrPlugin.WorldFlora", "sf", "StratigrapheR", "tcltk2", "TVMM", "uHMM", "RInno")); library(bincraftR); future::plan("multisession", workers = 4, rscript_startup = quote(options(crayon.enabled = TRUE))); foo = lapply(pkgs, function(x) build_binary_package(x, build_for_minor=FALSE, debug = FALSE, force = TRUE, platform = "${PLATFORM}"))'
+      - R -q -e 'options(crayon.enabled = TRUE, Ncpus = ${NCPUS}, future.globals.onReference = NULL, repos = structure(c(getOption("repos"),INLA="https://inla.r-inla-download.org/R/stable"))); pkgs = tools::CRAN_package_db()[[1]]; pkgs = setdiff(pkgs[${BLOCK}], c("biplotbootGUI", "cncaGUI", "dynBiplotGUI", "ade4TkGUI", "BlockmodelingGUI", "cncaGUI", "EventDetectGUI", "irtGUI", "KappaGUI", "magickGUI", "miniGUI", "multibiplotGUI", "TextMiningGUI", "later", "RclusTool", "Rcmdr", "RcmdrMisc", "RcmdrPlugin.aRnova", "RcmdrPlugin.BiclustGUI", "RcmdrPlugin.BWS1", "RcmdrPlugin.BWS2", "RcmdrPlugin.BWS3", "RcmdrPlugin.cpd", "RcmdrPlugin.DCCV", "RcmdrPlugin.DCE", "RcmdrPlugin.depthTools", "RcmdrPlugin.DoE", "RcmdrPlugin.EACSPIR", "RcmdrPlugin.EBM", "RcmdrPlugin.EcoVirtual", "RcmdrPlugin.Export", "RcmdrPlugin.EZR",  "RcmdrPlugin.FactoMineR", "RcmdrPlugin.GWRM", "RcmdrPlugin.HH", "RcmdrPlugin.KMggplot2", "RcmdrPlugin.MA", "RcmdrPlugin.MPAStats", "RcmdrPlugin.NMBU", "RcmdrPlugin.orloca", "RcmdrPlugin.PcaRobust", "RcmdrPlugin.RiskDemo", "RcmdrPlugin.RMTCJags", "RcmdrPlugin.ROC", "RcmdrPlugin.sos" , "RcmdrPlugin.survival", "RcmdrPlugin.TeachingDemos", "RcmdrPlugin.TeachStat", "RcmdrPlugin.temis", "RcmdrPlugin.UCA", "RcmdrPlugin.WorldFlora", "sf", "StratigrapheR", "tcltk2", "TVMM", "uHMM", "RInno")); library(bincraftR); future::plan("${STRATEGY}", workers = ${NCPUS}, rscript_startup = quote(options(crayon.enabled = TRUE))); foo = lapply(pkgs, function(x) build_binary_package(x, build_for_minor=FALSE, debug = FALSE, force = TRUE, platform = "${PLATFORM}"))'
     backend_options:
       kubernetes:
-        ### PROD
+        ### PROD-parallel
+        # resources:
+        #   requests:
+        #     memory: 25Gi
+        #     cpu: 12000m
+        #   limits:
+        #     memory: 32Gi
+        #     cpu: 16000m
+        ### PROD-sequential
         resources:
           requests:
-            memory: 25Gi
-            cpu: 12000m
+            memory: 4Gi
+            cpu: 1000m
           limits:
-            memory: 32Gi
-            cpu: 16000m
+            memory: 16Gi
+            cpu: 4000m
         # DEBUG
         # resources:
         #   requests:
diff --git a/Justfile b/Justfile
index fe15cd1..95dc044 100644
--- a/Justfile
+++ b/Justfile
@@ -2,5 +2,5 @@ image OS:
     if echo "{{OS}}" | grep -qi "redhat"; then \
         docker buildx build --progress plain --build-arg GITHUB_PAT="$GITHUB_PAT" --build-arg RED_HAT_DEV_PW="$RED_HAT_DEV_PW" -f docker/Dockerfile-{{OS}} -t devxygmbh/arm64-binaries-r-{{OS}}:latest --push .; \
     else \
-        docker buildx build --build-arg GITHUB_PAT="$GITHUB_PAT" -f docker/Dockerfile-{{OS}} -t devxygmbh/arm64-binaries-r-{{OS}}:latest --push .; \
+        docker buildx build --progress plain --build-arg GITHUB_PAT="$GITHUB_PAT" -f docker/Dockerfile-{{OS}} -t devxygmbh/arm64-binaries-r-{{OS}}:latest --push .; \
     fi
\ No newline at end of file