Use volume instead of priv in prod

Author: RobinBoers

Dockerfile

@@ -83,6 +83,9 @@ ENV LC_ALL en_US.UTF-8
 WORKDIR "/app"
 RUN chown nobody /app
 
+# Create uploads directory
+RUN mkdir -p /app/priv/static/uploads && chown nobody:root /app/priv/static/uploads
+
 # set runner ENV
 ENV MIX_ENV="prod"
 

config/dev.exs

@@ -83,3 +83,6 @@ config :phoenix_live_view,
 
 # Disable swoosh api client as it is only required for production adapters.
 config :swoosh, :api_client, false
+
+# Configure uploads path for development
+config :uploads, :uploads_path, nil

config/runtime.exs

@@ -52,6 +52,8 @@ if config_env() == :prod do
   port = String.to_integer(System.get_env("PORT") || "4000")
 
   config :uploads, :dns_cluster_query, System.get_env("DNS_CLUSTER_QUERY")
+  
+  config :uploads, :uploads_path, "/app/uploads"
 
   config :uploads, UploadsWeb.Endpoint,
     url: [host: host, port: 443, scheme: "https"],

k8s.yaml

@@ -31,6 +31,9 @@ spec:
         resources:
           requests:
             memory: "256Mi"
+        volumeMounts:
+        - name: uploads-storage
+          mountPath: /app/uploads
         livenessProbe:
           httpGet:
             path: /
@@ -43,6 +46,9 @@ spec:
             port: 8080
           initialDelaySeconds: 5
           periodSeconds: 5
+      volumes:
+      - name: uploads-storage
+        emptyDir: {}
 ---
 apiVersion: v1
 kind: Service

lib/uploads_web/live/upload_live.ex

@@ -5,7 +5,10 @@ defmodule UploadsWeb.UploadLive do
   @accept ~w(.zip .jpg .jpeg .png)
 
   def root do
-    Application.app_dir(:uploads, "priv/static/uploads")
+    case Application.get_env(:uploads, :uploads_path) do
+      nil -> Application.app_dir(:uploads, "priv/static/uploads")
+      path -> path
+    end
   end
 
   @impl true