Switch from hivemind to supervisord.

Hivemind doesn't have auto-restart capability (it quits with code 0,
which just stops the VM).

Dockerfile

@@ -1,10 +1,11 @@
 # syntax = docker/dockerfile:1
 
-# Build hivemind.
-FROM golang:1.25-alpine AS hivemind-builder
+# Build supervisor.
+FROM golang:1.25-alpine AS supervisor-builder
 RUN apk --no-cache add git
 WORKDIR /build
-RUN GOBIN=/usr/bin go install github.com/DarthSim/hivemind@v1.1.0
+RUN git clone https://github.com/ochinchina/supervisord --branch v0.7.3 .
+RUN GOBIN=/usr/bin go install
 
 # Build Caddy with S3 storage backend.
 FROM caddy:2.10.2-builder AS caddy-builder
@@ -23,7 +24,7 @@ RUN go build -a -o git-pages ./src
 # Compose git-pages and Caddy.
 FROM alpine:latest
 RUN apk --no-cache add ca-certificates
-COPY --from=hivemind-builder /usr/bin/hivemind /usr/bin/hivemind
+COPY --from=supervisor-builder /usr/bin/supervisord /usr/bin/supervisord
 COPY --from=caddy-builder /usr/bin/caddy /usr/bin/caddy
 COPY --from=git-pages-builder /build/git-pages /usr/bin/git-pages
 
@@ -44,11 +45,19 @@ EXPOSE 3000 3001 3002
 # While the default command is to run git-pages standalone, the intended configuration
 # is to use it with Caddy and store both site data and credentials to an S3-compatible
 # object store.
+
 # In a combined configuration, the same container may be used twice, launching either
 # `git-caddy` or `caddy run` to start both services.
-# In a standalone configuration use port 3000 (http) to connect to git-caddy.
-COPY <<EOF Procfile
-pages: git-pages
-caddy: caddy run
+COPY <<EOF supervisord.conf
+[program-default]
+stderr_logfile = /dev/stderr
+stopsignal = TERM
+autorestart = true
+[program:pages]
+command = git-pages
+[program:caddy]
+command = caddy run
 EOF
-CMD ["hivemind", "-processes=pages"]
+
+# In a standalone configuration (the default) use port 3000 (http) to connect to git-caddy.
+CMD ["git-pages"]

fly.toml

@@ -12,7 +12,7 @@ swap_size_mb = 512
 dockerfile = "Dockerfile"
 
 [experimental]
-cmd = ["hivemind"]
+cmd = ["supervisord"]
 
 [[vm]]
 cpu-type = "shared"