Merge pull request #67 from neocturne/docker

Docker image improvements and docker-compose.yml example

.github/workflows/MinedMap.yml

@@ -154,6 +154,16 @@ jobs:
     needs:
       - test
     steps:
+      - name: 'Checkout'
+        uses: 'actions/checkout@v4'
+
+      - name: 'Get version'
+        id: 'tag'
+        run: |
+          set -o pipefail
+          git fetch --prune --unshallow --tags -f
+          echo "tag=$(git describe --abbrev=7 --match='v*' | sed 's/^v//')" >> $GITHUB_OUTPUT
+
       - name: Docker meta
         id: meta
         uses: docker/metadata-action@v5
@@ -182,6 +192,8 @@ jobs:
       - name: Build
         uses: docker/build-push-action@v6
         with:
+          build-args: |
+            MINEDMAP_VERSION=${{ steps.tag.outputs.tag }}
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -1,5 +1,7 @@
 FROM docker.io/library/alpine:latest AS builder
 
+ARG MINEDMAP_VERSION
+
 WORKDIR /build
 RUN apk add --no-cache build-base cmake cargo
 
@@ -9,7 +11,12 @@ RUN strip target/release/minedmap
 
 FROM docker.io/library/alpine:latest
 
+RUN addgroup -g 1000 -S minedmap \
+    && adduser -S -D -H -u 1000 -h /output -s /sbin/nologin -G minedmap -g minedmap minedmap
+
 RUN apk add --no-cache libgcc tini
 
 COPY --from=builder /build/target/release/minedmap /bin/minedmap
 ENTRYPOINT [ "/sbin/tini", "--", "/bin/minedmap" ]
+
+USER minedmap:minedmap

docker-compose.yml

@@ -0,0 +1,51 @@
+# This is an example docker-compose configuration providing a Minecraft server,
+# map generator and webserver. Visit http://localhost:8080 to view the map.
+#
+# See https://docker-minecraft-server.readthedocs.io/ for more information on
+# the itzg/minecraft-server image and its configuration.
+
+services:
+  mc:
+    image: docker.io/itzg/minecraft-server
+    environment:
+      EULA: 'true'
+    ports:
+      - '25565:25565'
+    volumes:
+      - data:/data
+    stdin_open: true
+    tty: true
+    restart: unless-stopped
+
+  minedmap:
+    image: ghcr.io/neocturne/minedmap/minedmap
+    command:
+      - '--jobs-initial=2'
+      - '--image-format=webp'
+      - '--sign-filter=\[Map\]'
+      - '--sign-transform=s/\[Map\]//'
+      - '--watch'
+      - '/input/world'
+      - '/output'
+    volumes:
+      - data:/input
+      - output:/output
+      - processed:/output/processed
+    network_mode: 'none'
+    depends_on:
+      mc:
+        condition: service_healthy
+    restart: unless-stopped
+
+  viewer:
+    image: ghcr.io/neocturne/minedmap/viewer
+    ports:
+      - '8080:80'
+    volumes:
+      - output:/usr/share/nginx/html/data
+    restart: unless-stopped
+
+volumes:
+  data: {}
+  processed: {}
+  output: {}

src/core/mod.rs

@@ -33,17 +33,23 @@ use tracing::{info, warn};
 
 use self::entity_collector::EntityCollector;
 
-/// MinedMap version number
+/// Returns the MinedMap version number
-const VERSION: &str = git_version!(
+fn version() -> &'static str {
+	option_env!("MINEDMAP_VERSION").unwrap_or(
+		git_version!(
 			args = ["--abbrev=7", "--match=v*", "--dirty=-modified"],
 			cargo_prefix = "v",
-);
+		)
+		.strip_prefix("v")
+		.unwrap(),
+	)
+}
 
 /// Command line arguments for minedmap CLI
 #[derive(Debug, Parser)]
 #[command(
 	about,
-	version = VERSION.strip_prefix("v").unwrap(),
+	version = version(),
 	max_term_width = 100,
 )]
 pub struct Args {

viewer/Dockerfile

@@ -1,3 +1,3 @@
-FROM docker.io/library/nginx:alpine
+FROM docker.io/library/nginx:alpine-slim
 COPY . /usr/share/nginx/html
 # datadir should be mounted to: /usr/share/nginx/html/data