diff --git a/main.nf b/main.nf
index 58335df..af776f3 100755
--- a/main.nf
+++ b/main.nf
@@ -1,5 +1,17 @@
 #!/usr/bin/env nextflow
 
+include { CLIQUESNV } from './modules/cliquesnv'
+include { EFETCH } from './modules/efetch'
+include { HAPLINK_HAPLOTYPES as HAPLINK_ML_HAPLOTYPES } from './modules/haplink/haplotypes'
+include { HAPLINK_HAPLOTYPES as HAPLINK_RAW_HAPLOTYPES } from './modules/haplink/haplotypes'
+include { HAPLINK_SEQUENCES } from './modules/haplink/sequences'
+include { HAPLINK_VARIANTS } from './modules/haplink/variants'
+include { PREDICTHAPLO } from './modules/predicthaplo'
+include { MINIMAP2 } from './modules/minimap2'
+include { NANOFILT } from './modules/nanofilt'
+include { QUASIRECOMB } from './modules/quasirecomb'
+include { SHORAH_AMPLICON } from './modules/shorah/amplicon'
+include { SHORAH_SHOTGUN } from './modules/shorah/shotgun'
 include { VIQUAS } from './modules/viquas'
 
 workflow {
@@ -9,7 +21,7 @@ workflow {
         .map { file -> tuple(file.simpleName, file) }
         .set { ch_input }
 
-    EFETCH()
+    EFETCH('NC_036618.1')
     EFETCH
         .out
         .set { ch_reference }
@@ -24,6 +36,11 @@ workflow {
         .out
         .set { ch_alignments }
 
+    CLIQUESNV(
+        ch_alignments,
+        'snv-pacbio'
+    )
+
     HAPLINK_VARIANTS( ch_alignments, ch_reference )
     HAPLINK_VARIANTS
         .out
@@ -40,7 +57,7 @@ workflow {
     )
     HAPLINK_RAW_HAPLOTYPES
         .out
-    .map{ [ it[0], 'raw', it[1] ] }
+    .map{ [ it[0], 'HAPLINK_RAW_HAPLOTYPES', it[1] ] }
     .set{ ch_raw_haplotypes }
 
     HAPLINK_ML_HAPLOTYPES(
@@ -49,7 +66,7 @@ workflow {
     )
     HAPLINK_ML_HAPLOTYPES
         .out
-        .map{ [ it[0], 'ml', it[1] ] }
+        .map{ [ it[0], 'HAPLINK_ML_HAPLOTYPES', it[1] ] }
         .set{ ch_ml_haplotypes }
 
     ch_raw_haplotypes
@@ -61,236 +78,25 @@ workflow {
         ch_reference
     )
 
+    PREDICTHAPLO(
+        ch_alignments,
+        ch_reference
+    )
+
+    QUASIRECOMB( ch_alignments )
+
+    SHORAH_AMPLICON(
+        ch_alignments,
+        ch_reference
+    )
+
+    SHORAH_SHOTGUN(
+        ch_alignments,
+        ch_reference
+    )
+
     VIQUAS(
         ch_alignments,
         ch_reference
     )
 }
-
-process EFETCH {
-    cpus 1
-    memory '256.MB'
-    container 'quay.io/biocontainers/entrez-direct:16.2--he881be0_1'
-
-    publishDir "results", mode: 'copy'
-
-    output:
-    path 'idv4.fasta'
-
-    script:
-    """
-    esearch \\
-            -db nucleotide \\
-            -query "NC_036618.1" \\
-        | efetch \\
-            -format fasta \\
-        > idv4.fasta
-    """
-}
-
-process NANOFILT {
-    cpus 1
-    memory '8.GB'
-    container 'quay.io/biocontainers/nanofilt:2.8.0--py_0'
-
-    input:
-    tuple val(prefix), path(reads)
-
-    output:
-    tuple val(prefix), path("*_trimmed.fastq.gz")
-
-    script:
-    """
-    gzip \\
-            -cdf "${reads}" \\
-        | NanoFilt \\
-            --logfile "trimmed/${prefix}.nanofilt.log" \\
-            --length 100 \\
-            --quality 7 \\
-            --headcrop 30 \\
-            --tailcrop 30 \\
-            --minGC 0.1 \\
-            --maxGC 0.9 \\
-        | gzip \\
-        > "${prefix}_trimmed.fastq.gz"
-    """
-}
-
-process MINIMAP2 {
-    cpus 4
-    memory '8.GB'
-    container 'quay.io/biocontainers/mulled-v2-66534bcbb7031a148b13e2ad42583020b9cd25c4:1679e915ddb9d6b4abda91880c4b48857d471bd8-0'
-
-    input:
-    tuple val(prefix), path(reads)
-    path reference
-
-    publishDir "results", mode: 'copy'
-
-    output:
-    tuple val(prefix), path("*.bam"), path("*.bam.bai")
-    script:
-    """
-    minimap2 \\
-            -x map-ont \\
-            --MD \\
-            --eqx \\
-            -t ${task.cpus} \\
-            -a \\
-            "${reference}" \\
-            "${reads}" \\
-    | samtools sort \\
-    | samtools view \\
-            -@ ${task.cpus} \\
-            -b \\
-            -h \\
-            -o "${prefix}.bam"
-    samtools index "${prefix}.bam"
-    """
-}
-
-process SHORAH_AMPLICON {
-    label 'process_high'
-    container 'quay.io/biocontainers/shorah:1.99.2--py38h73782ee_8'
-
-    input:
-    tuple val(prefix), path(bam)
-    path(reference)
-
-    output:
-    tuple val(prefix), path("*.vcf")
-    tuple val(prefix), path("*support.fas")
-
-    publishDir "results/shorah-amplicon", mode: 'copy'
-
-    script:
-    """
-    shorah amplicon \\
-        -t ${task.cpus} \\
-        -f ${reference} \\
-        -b ${bam} \\
-    """
-}
-
-process SHORAH_SHOTGUN {
-    label 'process_high'
-    container 'quay.io/biocontainers/shorah:1.99.2--py38h73782ee_8'
-
-    input:
-    tuple val(prefix), path(bam)
-    path(reference)
-
-    output:
-    tuple val(prefix), path("*.vcf")
-    tuple val(prefix), path("*support.fas")
-
-    publishDir "results/shorah-shotgun", mode: 'copy'
-
-    script:
-    """
-    shorah shotgun \\
-        -t ${task.cpus} \\
-        -f ${reference} \\
-        -b ${bam} \\
-    """
-}
-
-process HAPLINK_VARIANTS {
-    cpus 2
-    memory '12.GB'
-
-    input:
-    tuple val(prefix), path(bam), path(bai)
-    path reference
-
-    output:
-    tuple val(prefix), path("*.vcf")
-
-    publishDir "results", mode: 'copy'
-
-    script:
-    """
-    export JULIA_NUM_THREADS=${task.cpus}
-    haplink variants \\
-            "${reference}" \\
-            "${bam}" \\
-        > "${prefix}.vcf"
-    """
-}
-
-process HAPLINK_RAW_HAPLOTYPES {
-    cpus 2
-    memory '12.GB'
-
-    input:
-    tuple val(prefix), path(bam), path(bai), path(vcf)
-    path reference
-
-    output:
-    tuple val(prefix), path("*.yaml")
-
-    publishDir "results/raw-haplotypes", mode: 'copy'
-
-    script:
-    """
-    export JULIA_NUM_THREADS=${task.cpus}
-    haplink haplotypes \\
-            "${reference}" \\
-            "${vcf}" \\
-            "${bam}" \\
-        --frequency 0.01 \\
-        > "${prefix}.yaml"
-    """
-}
-
-process HAPLINK_ML_HAPLOTYPES {
-    cpus 8
-    memory '12.GB'
-
-    input:
-    tuple val(prefix), path(bam), path(bai), path(vcf)
-    path reference
-
-    output:
-    tuple val(prefix), path("*.yaml")
-
-    publishDir "results/ml-haplotypes", mode: 'copy'
-
-    script:
-    """
-    export JULIA_NUM_THREADS=${task.cpus}
-    haplink haplotypes \\
-            "${reference}" \\
-            "${vcf}" \\
-            "${bam}" \\
-        --simulated-reads \\
-        --overlap-min 20 \\
-        --overlap-max 8000 \\
-        --frequency 0.01 \\
-        > "${prefix}.yaml"
-    """
-}
-
-process HAPLINK_SEQUENCES {
-    cpus 1
-    memory '6.GB'
-
-    input:
-    tuple val(prefix), val(method), path(yaml)
-    path reference
-
-    output:
-    tuple val(prefix), val(method), path("*.fasta")
-
-    publishDir "results/${method}-haplotypes", mode: 'copy'
-
-    script:
-    """
-    export JULIA_NUM_THREADS=${task.cpus}
-    haplink sequences \\
-            "${reference}" \\
-            "${yaml}" \\
-            --prefix "${prefix}" \\
-        > "${prefix}.fasta"
-    """
-}
diff --git a/modules/cliquesnv/main.nf b/modules/cliquesnv/main.nf
new file mode 100644
index 0000000..da197e7
--- /dev/null
+++ b/modules/cliquesnv/main.nf
@@ -0,0 +1,31 @@
+process CLIQUESNV {
+    tag "${prefix}"
+    label 'process_high'
+    label 'cliquesnv'
+
+    container 'quay.io/biocontainers/cliquesnv:2.0.3--hdfd78af_0'
+
+    input:
+    tuple val(prefix), path(bam), path(bai)
+    val(method)
+
+    output:
+    tuple val(prefix), path("*.json")
+    tuple val(prefix), path("*.fasta")
+
+    publishDir "results/${task.process}", mode: 'copy'
+
+    when:
+    task.ext.when == null || task.ext.when
+
+    script:
+    def jmemstring = task.memory.toMega() + 'M'
+    """
+    cliquesnv \\
+        -Xmx${jmemstring} \\
+        -threads ${task.cpus} \\
+        -m '${method}' \\
+        -in "${bam}" \\
+        -outDir .
+    """
+}
diff --git a/modules/efetch/main.nf b/modules/efetch/main.nf
new file mode 100644
index 0000000..f3ce0b3
--- /dev/null
+++ b/modules/efetch/main.nf
@@ -0,0 +1,24 @@
+process EFETCH {
+    tag "${genome}"
+    label 'process_single'
+
+    container 'quay.io/biocontainers/entrez-direct:16.2--he881be0_1'
+
+    input:
+    val(genome)
+
+    publishDir "results", mode: 'copy'
+
+    output:
+    path 'reference.fasta'
+
+    script:
+    """
+    esearch \\
+            -db nucleotide \\
+            -query "${genome}" \\
+        | efetch \\
+            -format fasta \\
+        > reference.fasta
+    """
+}
diff --git a/modules/haplink/haplotypes/main.nf b/modules/haplink/haplotypes/main.nf
new file mode 100644
index 0000000..5673af4
--- /dev/null
+++ b/modules/haplink/haplotypes/main.nf
@@ -0,0 +1,32 @@
+process HAPLINK_HAPLOTYPES {
+    tag "${prefix}"
+    label 'process_high'
+    label 'haplink'
+
+    container 'quay.io/biocontainers/haplink:1.0.0--h031d066_0'
+
+    input:
+    tuple val(prefix), path(bam), path(bai), path(vcf)
+    path reference
+
+    output:
+    tuple val(prefix), path("*.yaml")
+
+    publishDir "results/${task.process}", mode: 'copy'
+
+    when:
+    task.ext.when == null || task.ext.when
+
+    script:
+    def ml_args = task.ext.ml_args ?: ''
+    """
+    export JULIA_NUM_THREADS=${task.cpus}
+    haplink haplotypes \\
+            "${reference}" \\
+            "${vcf}" \\
+            "${bam}" \\
+        --frequency 0.01 \\
+        ${ml_args} \\
+        > "${prefix}.yaml"
+    """
+}
diff --git a/modules/haplink/sequences/main.nf b/modules/haplink/sequences/main.nf
new file mode 100644
index 0000000..fa1c76e
--- /dev/null
+++ b/modules/haplink/sequences/main.nf
@@ -0,0 +1,29 @@
+process HAPLINK_SEQUENCES {
+    tag "${method}: ${prefix}"
+    label 'process_single'
+    label 'haplink'
+
+    container 'quay.io/biocontainers/haplink:1.0.0--h031d066_0'
+
+    input:
+    tuple val(prefix), val(method), path(yaml)
+    path reference
+
+    output:
+    tuple val(prefix), val(method), path("*.fasta")
+
+    publishDir "results/${method}", mode: 'copy'
+
+    when:
+    task.ext.when == null || task.ext.when
+
+    script:
+    """
+    export JULIA_NUM_THREADS=${task.cpus}
+    haplink sequences \\
+            "${reference}" \\
+            "${yaml}" \\
+            --prefix "${prefix}" \\
+        > "${prefix}.fasta"
+    """
+}
diff --git a/modules/haplink/variants/main.nf b/modules/haplink/variants/main.nf
new file mode 100644
index 0000000..ec6e9c8
--- /dev/null
+++ b/modules/haplink/variants/main.nf
@@ -0,0 +1,28 @@
+process HAPLINK_VARIANTS {
+    tag "${prefix}"
+    label 'process_medium'
+    label 'haplink'
+
+    container 'quay.io/biocontainers/haplink:1.0.0--h031d066_0'
+
+    input:
+    tuple val(prefix), path(bam), path(bai)
+    path reference
+
+    output:
+    tuple val(prefix), path("*.vcf")
+
+    publishDir "results/${task.process}", mode: 'copy'
+
+    when:
+    task.ext.when == null || task.ext.when
+
+    script:
+    """
+    export JULIA_NUM_THREADS=${task.cpus}
+    haplink variants \\
+            "${reference}" \\
+            "${bam}" \\
+        > "${prefix}.vcf"
+    """
+}
diff --git a/modules/minimap2/main.nf b/modules/minimap2/main.nf
new file mode 100644
index 0000000..7d3c2aa
--- /dev/null
+++ b/modules/minimap2/main.nf
@@ -0,0 +1,33 @@
+process MINIMAP2 {
+    tag "${prefix}"
+    label 'process_medium'
+
+    container 'quay.io/biocontainers/mulled-v2-66534bcbb7031a148b13e2ad42583020b9cd25c4:1679e915ddb9d6b4abda91880c4b48857d471bd8-0'
+
+    input:
+    tuple val(prefix), path(reads)
+    path reference
+
+    publishDir "results", mode: 'copy'
+
+    output:
+    tuple val(prefix), path("*.bam"), path("*.bam.bai")
+    script:
+    """
+    minimap2 \\
+            -x map-ont \\
+            --MD \\
+            --eqx \\
+            -t ${task.cpus} \\
+            -a \\
+            "${reference}" \\
+            "${reads}" \\
+    | samtools sort \\
+    | samtools view \\
+            -@ ${task.cpus} \\
+            -b \\
+            -h \\
+            -o "${prefix}.bam"
+    samtools index "${prefix}.bam"
+    """
+}
diff --git a/modules/nanofilt/main.nf b/modules/nanofilt/main.nf
new file mode 100644
index 0000000..c6ec93f
--- /dev/null
+++ b/modules/nanofilt/main.nf
@@ -0,0 +1,28 @@
+process NANOFILT {
+    tag "${prefix}"
+    label 'process_low'
+
+    container 'quay.io/biocontainers/nanofilt:2.8.0--py_0'
+
+    input:
+    tuple val(prefix), path(reads)
+
+    output:
+    tuple val(prefix), path("*_trimmed.fastq.gz")
+
+    script:
+    """
+    gzip \\
+            -cdf "${reads}" \\
+        | NanoFilt \\
+            --logfile "trimmed/${prefix}.nanofilt.log" \\
+            --length 100 \\
+            --quality 7 \\
+            --headcrop 30 \\
+            --tailcrop 30 \\
+            --minGC 0.1 \\
+            --maxGC 0.9 \\
+        | gzip \\
+        > "${prefix}_trimmed.fastq.gz"
+    """
+}
diff --git a/modules/predicthaplo/main.nf b/modules/predicthaplo/main.nf
new file mode 100644
index 0000000..f403c0e
--- /dev/null
+++ b/modules/predicthaplo/main.nf
@@ -0,0 +1,27 @@
+process PREDICTHAPLO {
+    tag "${prefix}"
+    label 'process_high'
+    label 'predicthaplo'
+
+    container 'quay.io/biocontainers/predicthaplo:2.1.4--h9b88814_5'
+
+    input:
+    tuple val(prefix), path(bam), path(bai)
+    path(reference)
+
+    output:
+    tuple val(prefix), path("*.fa*")
+
+    publishDir "results/${task.process}", mode: 'copy'
+
+    when:
+    task.ext.when == null || task.ext.when
+
+    script:
+    """
+    predicthaplo \\
+        --sam "${bam}" \\
+        --reference "${reference}" \\
+        --prefix "${prefix}"
+    """
+}
diff --git a/modules/quasirecomb/main.nf b/modules/quasirecomb/main.nf
new file mode 100644
index 0000000..8e054cf
--- /dev/null
+++ b/modules/quasirecomb/main.nf
@@ -0,0 +1,31 @@
+process QUASIRECOMB {
+    tag "${prefix}"
+    label 'process_high'
+    label 'quasirecomb'
+
+    container 'quay.io/biocontainers/quasirecomb:1.2--hdfd78af_1'
+
+    input:
+    tuple val(prefix), path(bam), path(bai)
+
+    output:
+    tuple val(prefix), path("*.fasta")
+
+    publishDir "results/${task.process}", mode: 'copy'
+
+    when:
+    task.ext.when == null || task.ext.when
+
+    script:
+    def jmemstring = task.memory.toMega() + 'M'
+    """
+    quasirecomb \\
+        -XX:+UseParallelGC \\
+        -Xms2g \\
+        -Xmx${jmemstring} \\
+        -XX:+UseNUMA \\
+        -XX:NewRatio=9 \\
+        -i "${bam}"
+    mv quasispecies.fasta "${prefix}.fasta"
+    """
+}
diff --git a/modules/shorah/amplicon/main.nf b/modules/shorah/amplicon/main.nf
new file mode 100644
index 0000000..c8ccf38
--- /dev/null
+++ b/modules/shorah/amplicon/main.nf
@@ -0,0 +1,28 @@
+process SHORAH_AMPLICON {
+    tag "${prefix}"
+    label 'process_high'
+    label 'shorah'
+
+    container 'quay.io/biocontainers/shorah:1.99.2--py38h73782ee_8'
+
+    input:
+    tuple val(prefix), path(bam), path(bai)
+    path(reference)
+
+    output:
+    tuple val(prefix), path("*.vcf")
+    tuple val(prefix), path("*support.fas")
+
+    publishDir "results/${task.process}", mode: 'copy'
+
+    when:
+    task.ext.when == null || task.ext.when
+
+    script:
+    """
+    shorah amplicon \\
+        -t ${task.cpus} \\
+        -f ${reference} \\
+        -b ${bam} \\
+    """
+}
diff --git a/modules/shorah/shotgun/main.nf b/modules/shorah/shotgun/main.nf
new file mode 100644
index 0000000..2b7aa86
--- /dev/null
+++ b/modules/shorah/shotgun/main.nf
@@ -0,0 +1,28 @@
+process SHORAH_SHOTGUN {
+    tag "${prefix}"
+    label 'process_high'
+    label 'shorah'
+
+    container 'quay.io/biocontainers/shorah:1.99.2--py38h73782ee_8'
+
+    input:
+    tuple val(prefix), path(bam), path(bai)
+    path(reference)
+
+    output:
+    tuple val(prefix), path("*.vcf")
+    tuple val(prefix), path("*support.fas")
+
+    publishDir "results/${task.process}", mode: 'copy'
+
+    when:
+    task.ext.when == null || task.ext.when
+
+    script:
+    """
+    shorah shotgun \\
+        -t ${task.cpus} \\
+        -f ${reference} \\
+        -b ${bam} \\
+    """
+}
diff --git a/modules/viquas/main.nf b/modules/viquas/main.nf
index 16bb7b5..ad19953 100644
--- a/modules/viquas/main.nf
+++ b/modules/viquas/main.nf
@@ -1,6 +1,7 @@
 process VIQUAS {
     tag "${prefix}"
     label 'process_high'
+    label 'viquas'
 
     container 'code.millironx.com/millironx/haplotyper-battle-royale:viquas'
 
@@ -11,7 +12,10 @@ process VIQUAS {
     output:
     tuple val(prefix), path("*.fa")
 
-    publishDir "results/viquas", mode: 'copy'
+    publishDir "results/${task.process}", mode: 'copy'
+
+    when:
+    task.ext.when == null || task.ext.when
 
     script:
     """
diff --git a/nextflow.config b/nextflow.config
index 84597cb..98bf7b1 100644
--- a/nextflow.config
+++ b/nextflow.config
@@ -1,11 +1,186 @@
-process {
-    errorStrategy = 'finish'
-    time = '7d'
+params {
+    reference = null
+
+    // Config options
+    config_profile_name = null
+    config_profile_description = null
+    custom_config_version = 'master'
+    custom_config_base = "https://raw.githubusercontent.com/nf-core/configs/${params.custom_config_version}"
+    config_profile_contact = null
+    config_profile_url = null
+
+    // Max resource options
+    // Defaults only, expecting to be overwritten
+    max_memory = '128.GB'
+    max_cpus = 16
+    max_time = '240.h'
+
+    // Haplotyper options
+    // By default, run all haplotypers
+    cliquesnv = true
+    haplink = true
+    predicthaplo = true
+    quasirecomb = true
+    shorah = true
+    viquas = true
 }
 
-singularity.enabled = true
+process {
+    cpus = { check_max(1 * task.attempt, 'cpus') }
+    memory = { check_max(6.GB * task.attempt, 'memory') }
+    time = { check_max(4.h * task.attempt, 'time') }
+
+    errorStrategy = { task.exitStatus in ((130..145) + 104) ? 'retry' : 'finish' }
+    maxRetries = 1
+    maxErrors = '-1'
+
+    withLabel:process_single {
+        cpus = { check_max(1, 'cpus') }
+        memory = { check_max( 6.GB * task.attempt, 'memory') }
+        time = { check_max( 4.h * task.attempt, 'time') }
+    }
+    withLabel:process_low {
+        cpus = { check_max( 2 * task.attempt, 'cpus') }
+        memory = { check_max( 12.GB * task.attempt, 'memory') }
+        time = { check_max( 4.h * task.attempt, 'time') }
+    }
+    withLabel:process_medium {
+        cpus = { check_max( 6 * task.attempt, 'cpus') }
+        memory = { check_max( 36.GB * task.attempt, 'memory') }
+        time = { check_max( 8.h * task.attempt, 'time') }
+    }
+    withLabel:process_high {
+        cpus = { check_max( 12 * task.attempt, 'cpus') }
+        memory = { check_max( 72.GB * task.attempt, 'memory') }
+        time = { check_max( 16.h  * task.attempt, 'time') }
+    }
+
+    withName: 'HAPLINK_ML_HAPLOTYPES' {
+        ext.ml_args = """
+        --simulated-reads \\
+        --overlap-min 20 \\
+        --overlap-max 8000 \\
+        """
+    }
+
+    withLabel: 'cliquesnv' {
+        ext.when = params.cliquesnv
+    }
+    withLabel: 'haplink' {
+        ext.when = params.haplink
+    }
+    withLabel: 'predicthaplo' {
+        ext.when = params.predicthaplo
+    }
+    withLabel: 'quasirecomb' {
+        ext.when = params.quasirecomb
+    }
+    withLabel: 'shorah' {
+        ext.when = params.shorah
+    }
+    withLabel: 'viquas' {
+        ext.when = params.viquas
+    }
+}
+
+try {
+    includeConfig "${params.custom_config_base}/nfcore_custom.config"
+} catch (Exception e) {
+    System.err.println("WARNING: Could not load nf-core/config profiles: ${params.custom_config_base}/nfcore_custom.config")
+}
+
+profiles {
+    docker {
+        docker.enabled = true
+        docker.userEmulation = true
+        conda.enabled = false
+        singularity.enabled = false
+        podman.enabled = false
+        shifter.enabled = false
+        charliecloud.enabled = false
+        apptainer.enabled = false
+    }
+    singularity {
+        singularity.enabled = true
+        singularity.autoMounts = true
+        conda.enabled = false
+        docker.enabled = false
+        podman.enabled = false
+        shifter.enabled = false
+        charliecloud.enabled = false
+        apptainer.enabled = false
+    }
+    podman {
+        podman.enabled = true
+        conda.enabled = false
+        docker.enabled = false
+        singularity.enabled = false
+        shifter.enabled = false
+        charliecloud.enabled = false
+        apptainer.enabled = false
+    }
+    shifter {
+        shifter.enabled = true
+        conda.enabled = false
+        docker.enabled = false
+        singularity.enabled = false
+        podman.enabled = false
+        charliecloud.enabled = false
+        apptainer.enabled = false
+    }
+    charliecloud {
+        charliecloud.enabled = true
+        conda.enabled = false
+        docker.enabled = false
+        singularity.enabled = false
+        podman.enabled = false
+        shifter.enabled = false
+        apptainer.enabled = false
+    }
+    apptainer {
+        apptainer.enabled = true
+        apptainer.autoMounts = true
+        conda.enabled = false
+        docker.enabled = false
+        singularity.enabled = false
+        podman.enabled = false
+        shifter.enabled = false
+        charliecloud.enabled = false
+    }
+}
 
 env {
     R_PROFILE_USER   = "/.Rprofile"
     R_ENVIRON_USER   = "/.Renviron"
 }
+
+def check_max(obj, type) {
+    if (type == 'memory') {
+        try {
+            if (obj.compareTo(params.max_memory as nextflow.util.MemoryUnit) == 1)
+                return params.max_memory as nextflow.util.MemoryUnit
+            else
+                return obj
+        } catch (all) {
+            println "   ### ERROR ###   Max memory '${params.max_memory}' is not valid! Using default value: $obj"
+            return obj
+        }
+    } else if (type == 'time') {
+        try {
+            if (obj.compareTo(params.max_time as nextflow.util.Duration) == 1)
+                return params.max_time as nextflow.util.Duration
+            else
+                return obj
+        } catch (all) {
+            println "   ### ERROR ###   Max time '${params.max_time}' is not valid! Using default value: $obj"
+            return obj
+        }
+    } else if (type == 'cpus') {
+        try {
+            return Math.min( obj, params.max_cpus as int )
+        } catch (all) {
+            println "   ### ERROR ###   Max cpus '${params.max_cpus}' is not valid! Using default value: $obj"
+            return obj
+        }
+    }
+}