Add entrypoint script and configure Dockerfile for Azurite with Caddy support

Dockerfile

@@ -23,4 +23,15 @@ COPY --from=build /app/azurite/dist/src ./azurite/src
 WORKDIR /app/azurite
 RUN npm pkg set scripts.prepare="echo no-prepare"
 RUN npm ci --omit=dev --unsafe-perm
+
 WORKDIR /app
+COPY ./entrypoint.sh .
+RUN chmod +x entrypoint.sh
+
+EXPOSE 443
+EXPOSE 10000
+EXPOSE 10001
+EXPOSE 10002
+
+ENTRYPOINT [ "/app/entrypoint.sh" ]
+CMD [ "ash" ]

entrypoint.sh

@@ -0,0 +1,76 @@
+#!/bin/ash
+
+set -e
+
+function check_ssl_files() {
+  if [[ ! -f "$AZURITE_DIR/server_key.pem" || ! -f "$AZURITE_DIR/server_cert.pem" ]]; then
+    echo "SSL enabled but server_key.pem or server_cert.pem not found in $AZURITE_DIR. Please provide these files for SSL support."
+    exit 1
+  fi
+}
+
+# We are running as root inside a container.
+AZURITE_DIR="/storage"
+AZURITE_ACCOUNTS_FILE="$AZURITE_DIR/accounts.env"
+
+if [[ ! -f "$AZURITE_ACCOUNTS_FILE" ]]; then
+  echo "No accounts found. Provide $AZURITE_ACCOUNTS_FILE."
+  exit 1
+fi
+
+set -a
+. $AZURITE_ACCOUNTS_FILE
+set +a
+
+CADDY=true
+AZURITE_SSL=""
+CERT_ARGS=()
+BLOB_ARGS=()
+OAUTH_ARGS=()
+
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    --oauth)
+      OAUTH_ARGS=("--oauth" "basic")
+      CADDY="" # Ensure OAuth is disabled when using Caddy, as Azurite does not support OAuth in reverse proxy mode.
+      shift
+      ;;
+    --ssl)
+      check_ssl_files
+      AZURITE_SSL=true
+      shift
+      ;;
+    --no-caddy)
+      CADDY=""
+      shift
+      ;;
+    *)
+      echo "Unknown argument: $1"
+      exit 1
+      ;;
+  esac
+done
+
+if [[ -n "$CADDY" ]]; then
+  # If using Caddy, it will reverse proxy blob, queue, and table endpoints to different ports on localhost,
+  # allowing simultaneous access to all services on a single HTTPS port.
+  check_ssl_files # Ensure SSL files are present when using Caddy, as Caddy will handle SSL termination.
+  echo "Starting Caddy server..."
+  caddy start --config Caddyfile # Use start not run, start does not block the shell process.
+else
+  # If not using Caddy, configure Azurite to listen on all interfaces and use the generated self-signed certificate.
+  # This mode does not require Caddy, but it will not allow simultaneous access to the table and queue services on the same HTTPS port.
+  if [[ -n "$AZURITE_SSL" ]]; then
+    BLOB_ARGS=("--blobHost" "0.0.0.0" "--blobPort" "443")
+    CERT_ARGS=("--key" "$AZURITE_DIR/server_key.pem" "--cert" "$AZURITE_DIR/server_cert.pem")
+  fi
+fi
+
+azurite \
+    --disableTelemetry \
+    --location "$AZURITE_DIR" \
+    "${CERT_ARGS[@]}" \
+    "${BLOB_ARGS[@]}" \
+    "${OAUTH_ARGS[@]}"
+
+exec "$@"