Docker: Use variables to set UID & GID in development environments

Dockerfile

@@ -1,4 +1,4 @@
-FROM photoprism/development:20201215
+FROM photoprism/development:20210115
 
 # Set up project directory
 WORKDIR "/go/src/github.com/photoprism/photoprism"

Makefile

@@ -9,6 +9,7 @@ export GO111MODULE=on
 GOIMPORTS=goimports
 BINARY_NAME=photoprism
 DOCKER_TAG=`date -u +%Y%m%d`
+UID=`(id -u)`
 
 HASRICHGO := $(shell which richgo)
 
@@ -51,7 +52,7 @@ start:
 stop:
 	go run cmd/photoprism/photoprism.go stop
 terminal:
-	docker-compose exec photoprism bash
+	docker-compose exec -u $(UID) photoprism bash
 root-terminal:
 	docker-compose exec -u root photoprism bash
 migrate:

docker-compose.yml

@@ -20,8 +20,6 @@ services:
     security_opt:
       - seccomp:unconfined
       - apparmor:unconfined
-    # Uncomment and edit the following line to set a specific user / group id:
-    # user: "1000:1000"
     depends_on:
       - photoprism-db
     ports:
@@ -32,6 +30,8 @@ services:
       - "go-mod:/go/pkg/mod"
     shm_size: "2gb"
     environment:
+      UID: ${UID:-1000}
+      GID: ${GID:-1000}
       TF_CPP_MIN_LOG_LEVEL: 0 # Show TensorFlow log messages for development
       PHOTOPRISM_SITE_URL: "http://localhost:2342/"
       PHOTOPRISM_SITE_TITLE: "PhotoPrism"

docker/development/Dockerfile

@@ -154,5 +154,9 @@ WORKDIR "/go/src/github.com/photoprism/photoprism"
 EXPOSE 2342 2343 9515
 VOLUME /var/lib/photoprism
 
-# Keep container running (services can be started manually using a terminal)
-CMD tail -f /dev/null
+# Configure entrypoint
+COPY --chown=root:root /docker/development/entrypoint.sh /entrypoint.sh
+ENTRYPOINT ["/entrypoint.sh"]
+
+# Run server
+CMD ["tail", "-f", "/dev/null"]

docker/development/entrypoint.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+if [[ ${UMASK} ]]; then
+  umask "${UMASK}"
+fi
+
+find /go -type d -print0 | xargs -0 chmod 777
+chmod -R a+rw /var/lib/photoprism /go
+
+if [[ ${UID} ]] && [[ ${GID} ]] && [[ ${UID} != "0" ]] && [[ $(id -u) = "0" ]]; then
+  groupadd -f -g "${GID}" "${GID}"
+  usermod -o -u "${UID}" -g "${GID}" photoprism
+  chown -R photoprism:photoprism /photoprism /var/lib/photoprism /go
+  gosu "${UID}:${GID}" "$@" &
+elif [[ ${UID} ]] && [[ ${UID} != "0" ]] && [[ $(id -u) = "0" ]]; then
+  usermod -o -u "${UID}" photoprism
+  chown -R photoprism /photoprism /var/lib/photoprism /go
+  gosu "${UID}" "$@" &
+else
+  "$@" &
+fi
+
+PID=$!
+
+trap "kill $PID" INT TERM
+wait

docker/photoprism/Dockerfile

@@ -1,4 +1,4 @@
-FROM photoprism/development:20201215 as build
+FROM photoprism/development:20210115 as build
 
 # Set up project directory
 WORKDIR "/go/src/github.com/photoprism/photoprism"