Update Docker tag for postgres timescale variant to v16

Signed-off-by: Sora Morimoto <[email protected]>

Dockerfile-timescaledb

@@ -1,8 +1,8 @@
-ARG PG_VERSION=15.3
-ARG PG_MAJOR_VERSION=15
+ARG PG_VERSION=16.1
+ARG PG_MAJOR_VERSION=16
 ARG VERSION=custom
 
-FROM golang:1.20
+FROM golang:1.21
 
 WORKDIR /go/src/github.com/fly-apps/fly-postgres
 COPY . .
@@ -17,7 +17,6 @@ RUN CGO_ENABLED=0 GOOS=linux go build -v -o /fly/bin/start ./cmd/start
 COPY ./bin/* /fly/bin/
 
 FROM wrouesnel/postgres_exporter:latest AS postgres_exporter
-
 FROM postgres:${PG_VERSION}
 ENV PGDATA=/data/postgresql
 ARG VERSION
@@ -31,10 +30,10 @@ LABEL fly.pg-version=${PG_VERSION}
 LABEL fly.pg-manager=repmgr
 
 RUN apt-get update && apt-get install --no-install-recommends -y \
-    ca-certificates iproute2 postgresql-$PG_MAJOR_VERSION-repmgr curl bash dnsutils vim haproxy socat procps ssh gnupg rsync barman-cli barman barman-cli-cloud cron \
+    ca-certificates iproute2 postgresql-$PG_MAJOR_VERSION-repmgr curl bash dnsutils vim socat procps ssh gnupg rsync barman-cli barman barman-cli-cloud cron \
     && apt autoremove -y
 
-RUN echo "deb https://packagecloud.io/timescale/timescaledb/debian/ $(cat /etc/os-release | grep VERSION_CODENAME | cut -d'=' -f2) main" > /etc/apt/sources.list.d/timescaledb.list \
+RUN echo "deb https://packagecloud.io/timescale/timescaledb/debian $(. /etc/os-release && echo "$VERSION_CODENAME") main" > /etc/apt/sources.list.d/timescaledb.list \
     && curl -L https://packagecloud.io/timescale/timescaledb/gpgkey | apt-key add -
 
 # TimescaleDB and PostGIS
@@ -50,7 +49,7 @@ RUN curl https://haproxy.debian.net/bernat.debian.org.gpg \
     | gpg --dearmor > /usr/share/keyrings/haproxy.debian.net.gpg
 
 RUN echo deb "[signed-by=/usr/share/keyrings/haproxy.debian.net.gpg]" \
-    http://haproxy.debian.net bookworm-backports-${HAPROXY_VERSION} main \
+    http://haproxy.debian.net $(. /etc/os-release && echo "$VERSION_CODENAME")-backports-${HAPROXY_VERSION} main \
     > /etc/apt/sources.list.d/haproxy.list
 
 RUN apt-get update && apt-get install --no-install-recommends -y \
@@ -69,5 +68,4 @@ ENV TIMESCALEDB_ENABLED=true
 
 EXPOSE 5432
 
-
 CMD ["start"]