Modernize the makefile for the docker image.

docker/server/Makefile

@@ -1,35 +1,51 @@
+SHELL := bash
+.ONESHELL:
+.SHELLFLAGS := -eu -o pipefail -c
+.DELETE_ON_ERROR:
+MAKEFLAGS += --warn-undefined-variables
+MAKEFLAGS += --no-builtin-rules
+OS:=$(shell uname -s)
+
+ifeq ($(origin .RECIPEPREFIX), undefined)
+  $(error This Make does not support .RECIPEPREFIX. Please use GNU Make 4.0 or later)
+endif
+.RECIPEPREFIX = >
+
 IMAGE_NAME:=homepage
 # REMOTE_REPO:=harbor.fizz.buzz/private
+TARGET :=
 
-.PHONY: all
+.PHONY: help
-all: build push
+help:
+> @grep -h "##" $(MAKEFILE_LIST) | grep -v grep | sed -E 's/^([^:]*): *## */\1:  /'
 
 .PHONY: build
-build:
+build: ## Build the docker image.
-	docker build -t $(IMAGE_NAME) -f Dockerfile ../
+> docker build --tag $(IMAGE_NAME) --target=$(TARGET) --file Dockerfile ../../
 
 .PHONY: push
-push:
+push: ## Push the docker image to a remote repository.
 ifdef REMOTE_REPO
-	docker tag $(IMAGE_NAME) $(REMOTE_REPO)/$(IMAGE_NAME)
+> docker tag $(IMAGE_NAME) $(REMOTE_REPO)/$(IMAGE_NAME)
-	docker push $(REMOTE_REPO)/$(IMAGE_NAME)
+> docker push $(REMOTE_REPO)/$(IMAGE_NAME)
 else
-	@echo "REMOTE_REPO not defined, not pushing to a remote repo."
+> @echo "REMOTE_REPO not defined, not pushing to a remote repo."
 endif
 
 .PHONY: clean
 clean:
-	docker rmi $(IMAGE_NAME)
+> docker rmi $(IMAGE_NAME)
 ifdef REMOTE_REPO
-	docker rmi $(REMOTE_REPO)/$(IMAGE_NAME)
+> docker rmi $(REMOTE_REPO)/$(IMAGE_NAME)
 else
-	@echo "REMOTE_REPO not defined, not removing from remote repo."
+> @echo "REMOTE_REPO not defined, not removing from remote repo."
 endif
 
 .PHONY: run
-run:
+run: ## Launch the docker image
-	docker run --rm -i -t -p "8080:8080" $(IMAGE_NAME)
+> docker run --rm -i -t -p "8080:8080" $(IMAGE_NAME)
 
 .PHONY: shell
-shell:
+shell: ## Launch an interactive shell inside the docker image.
-	docker run --rm -i -t -p "8080:8080" --entrypoint /bin/bash $(IMAGE_NAME)
+shell: build
+> docker run --rm -i -t -p "8080:8080" --entrypoint /bin/bash --mount type=tmpfs,destination=/tmp $(IMAGE_NAME)

docker/server/nginx.conf

@@ -14,6 +14,11 @@ events {
 http {
     include /etc/nginx/mime.types;
     default_type application/octet-stream;
+
+    types {
+        text/plain asc;
+    }
+
     server_tokens off;
     client_max_body_size 1m;
     sendfile on;
@@ -38,6 +43,11 @@ http {
             return 200 '{"status":"OK"}';
         }
 
+        location /.well-known/ {
+            alias /srv/http/public/well-known/;
+            default_type text/plain;
+        }
+
         location /.well-known/matrix/server {
           default_type application/json;
           add_header "Access-Control-Allow-Origin" *;