diff --git a/Dockerfile b/Dockerfile
index b6f7913..b1d9ce0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,26 +7,9 @@ RUN conda config --set channel_priority strict
 ## install snakemake
 RUN mamba install -y -c conda-forge -c bioconda snakemake graphviz
 
-# install chrome dependencies (for kaleido/plotly to export plot .png/.svg)
-RUN apt update && apt-get install -y \
-    libnss3 \
-    libatk-bridge2.0-0 \
-    libcups2 \
-    libxcomposite1 \
-    libxdamage1 \
-    libxfixes3 \
-    libxrandr2 \
-    libgbm1 \
-    libxkbcommon0 \
-    libpango-1.0-0 \
-    libcairo2
-
-# install python packages
-RUN pip install --upgrade pip
-RUN pip install kaleido
-
-# install chrome for kaleido
-RUN kaleido_get_chrome
+# download + install Google Chrome (for kaleido/plotly to export plot .png/.svg)
+RUN wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
+RUN apt-get update && apt install -y ./google-chrome-stable_current_amd64.deb
 
 ## copy the pipeline code into the container
 WORKDIR /app
diff --git a/app/workflow/Snakefile b/app/workflow/Snakefile
index 16e8e13..6844c77 100644
--- a/app/workflow/Snakefile
+++ b/app/workflow/Snakefile
@@ -103,7 +103,7 @@ VERSION_ENVS = [
 
 # ********** Quarto reports **********
 QMD_FILES = glob(os.path.join(REPORTS_DIR, "**", "*.qmd"), recursive=True) if REPORTS_DIR else []
-QUARTO_HTML_FILES = [STEP_QUARTO_DIR + os.path.basename(os.path.dirname(f)) + "/" + os.path.splitext(os.path.basename(f))[0] + ".html" for f in QMD_FILES]
+QUARTO_HTML_FILES = [STEP_QUARTO_DIR + os.path.splitext(os.path.basename(qmd))[0] + ".html" for qmd in QMD_FILES]
 
 # ********** helper functions to get R1/R2 FASTQ files **********
 def get_r1(wildcards):
@@ -990,14 +990,16 @@ rule prose:
 ############# Last step: Re-generate user-defined Quarto reports #############
 rule render_quarto:
     input:
-        qmd_path=REPORTS_DIR + "{dir_name}/{qmd_name}.qmd",
+        qmd_path=REPORTS_DIR + "{qmd_name}.qmd",
         methods=STEP_PROSE_DIR + "methods.md", # not used; runs Quarto as the last step
     output:
-        STEP_QUARTO_DIR + "{dir_name}/{qmd_name}.html",
+        STEP_QUARTO_DIR + "{qmd_name}.html",
+    threads:
+        CORES
     conda:
         "envs/quarto.yml"
     log:
-        LOGS + Path(STEP_QUARTO_DIR).name + "/{dir_name}/{qmd_name}.log",
+        LOGS + Path(STEP_QUARTO_DIR).name + "/{qmd_name}.log",
     shell:
         # Quarto writes the rendered HTML next to the source .qmd; move it into
         # the results reports dir so it matches the declared output. (Quarto's
@@ -1005,6 +1007,5 @@ rule render_quarto:
         # pointed straight at an arbitrary results path.)
         """
         quarto render {input.qmd_path} -M embed-resources:true &> {log}
-        mkdir -p "$(dirname {output})"
         mv "$(dirname {input.qmd_path})/{wildcards.qmd_name}.html" "{output}"
         """