feat: allow layered custom image build

docker-bake.hcl

@@ -91,3 +91,19 @@ target "erpnext" {
     target = "erpnext"
     tags = tag("erpnext", "${ERPNEXT_VERSION}")
 }
+
+target "base" {
+    inherits = ["default-args"]
+    context = "."
+    dockerfile = "images/production/Containerfile"
+    target = "base"
+    tags = tag("base", "${FRAPPE_VERSION}")
+}
+
+target "build" {
+    inherits = ["default-args"]
+    context = "."
+    dockerfile = "images/production/Containerfile"
+    target = "build"
+    tags = tag("build", "${FRAPPE_VERSION}")
+}

images/layered/Containerfile

@@ -0,0 +1,47 @@
+ARG FRAPPE_BRANCH=version-15
+ARG FRAPPE_PATH=https://github.com/frappe/frappe
+
+FROM frappe/build:${FRAPPE_BRANCH} AS builder
+
+RUN export APP_INSTALL_ARGS="" && \
+  if [ -n "${APPS_JSON_BASE64}" ]; then \
+    export APP_INSTALL_ARGS="--apps_path=/opt/frappe/apps.json"; \
+  fi && \
+  bench init ${APP_INSTALL_ARGS}\
+    --frappe-branch=${FRAPPE_BRANCH} \
+    --frappe-path=${FRAPPE_PATH} \
+    --no-procfile \
+    --no-backups \
+    --skip-redis-config-generation \
+    --verbose \
+    /home/frappe/frappe-bench && \
+  cd /home/frappe/frappe-bench && \
+  echo "{}" > sites/common_site_config.json && \
+  find apps -mindepth 1 -path "*/.git" | xargs rm -fr
+
+FROM frappe/base:${FRAPPE_BRANCH} AS backend
+
+USER frappe
+
+COPY --from=builder --chown=frappe:frappe /home/frappe/frappe-bench /home/frappe/frappe-bench
+
+WORKDIR /home/frappe/frappe-bench
+
+VOLUME [ \
+  "/home/frappe/frappe-bench/sites", \
+  "/home/frappe/frappe-bench/sites/assets", \
+  "/home/frappe/frappe-bench/logs" \
+]
+
+CMD [ \
+  "/home/frappe/frappe-bench/env/bin/gunicorn", \
+  "--chdir=/home/frappe/frappe-bench/sites", \
+  "--bind=0.0.0.0:8000", \
+  "--threads=4", \
+  "--workers=2", \
+  "--worker-class=gthread", \
+  "--worker-tmp-dir=/dev/shm", \
+  "--timeout=120", \
+  "--preload", \
+  "frappe.app:application" \
+]

images/production/Containerfile

@@ -70,7 +70,7 @@ RUN useradd -ms /bin/bash frappe \
 COPY resources/nginx-template.conf /templates/nginx/frappe.conf.template
 COPY resources/nginx-entrypoint.sh /usr/local/bin/nginx-entrypoint.sh
 
-FROM base AS builder
+FROM base AS build
 
 RUN apt-get update \
     && DEBIAN_FRONTEND=noninteractive apt-get install --no-install-recommends -y \
@@ -98,6 +98,8 @@ RUN apt-get update \
 
 USER frappe
 
+FROM build AS builder
+
 ARG FRAPPE_BRANCH=version-15
 ARG FRAPPE_PATH=https://github.com/frappe/frappe
 ARG ERPNEXT_REPO=https://github.com/frappe/erpnext